Home / 90,070.26-135,105.38-23,509.80

Finding the Fourth Proportional to 90,070.26, 135,105.38 and 23,509.80

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Solution

The fourth proportional to 90,070.26, 135,105.38 and 23,509.80 is: 35,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,070.26 : 135,105.38 = 23,509.80 : x
  2. Step 2: Convert to fraction form
    90,070.26/135,105.38 = 23,509.80/x
  3. Step 3: Cross multiply
    90,070.26x = 135,105.38 × 23,509.80
  4. Step 4: Simplify right side
    90,070.26x = 3,176,300,345.18
  5. Step 5: Solve for x
    x = 3,176,300,345.18/90,070.26
  6. Step 6: Final answer
    x = 35,264.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.