Home / 102,785.34-141,887.50-62,512.03

Finding the Fourth Proportional to 102,785.34, 141,887.50 and 62,512.03

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Solution

The fourth proportional to 102,785.34, 141,887.50 and 62,512.03 is: 86,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,785.34 : 141,887.50 = 62,512.03 : x
  2. Step 2: Convert to fraction form
    102,785.34/141,887.50 = 62,512.03/x
  3. Step 3: Cross multiply
    102,785.34x = 141,887.50 × 62,512.03
  4. Step 4: Simplify right side
    102,785.34x = 8,869,675,145.63
  5. Step 5: Solve for x
    x = 8,869,675,145.63/102,785.34
  6. Step 6: Final answer
    x = 86,293.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.