Home / 90,373.77-135,555.19-23,813.80

Finding the Fourth Proportional to 90,373.77, 135,555.19 and 23,813.80

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Solution

The fourth proportional to 90,373.77, 135,555.19 and 23,813.80 is: 35,719.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,373.77 : 135,555.19 = 23,813.80 : x
  2. Step 2: Convert to fraction form
    90,373.77/135,555.19 = 23,813.80/x
  3. Step 3: Cross multiply
    90,373.77x = 135,555.19 × 23,813.80
  4. Step 4: Simplify right side
    90,373.77x = 3,228,083,785.20
  5. Step 5: Solve for x
    x = 3,228,083,785.20/90,373.77
  6. Step 6: Final answer
    x = 35,719.26

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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.