Home / 90,061.43-135,094.88-30,896.25

Finding the Fourth Proportional to 90,061.43, 135,094.88 and 30,896.25

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Solution

The fourth proportional to 90,061.43, 135,094.88 and 30,896.25 is: 46,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,061.43 : 135,094.88 = 30,896.25 : x
  2. Step 2: Convert to fraction form
    90,061.43/135,094.88 = 30,896.25/x
  3. Step 3: Cross multiply
    90,061.43x = 135,094.88 × 30,896.25
  4. Step 4: Simplify right side
    90,061.43x = 4,173,925,263.44
  5. Step 5: Solve for x
    x = 4,173,925,263.44/90,061.43
  6. Step 6: Final answer
    x = 46,345.31

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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.