Home / 62,143.20-93,200.40-17,761.68

Finding the Fourth Proportional to 62,143.20, 93,200.40 and 17,761.68

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Solution

The fourth proportional to 62,143.20, 93,200.40 and 17,761.68 is: 26,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,143.20 : 93,200.40 = 17,761.68 : x
  2. Step 2: Convert to fraction form
    62,143.20/93,200.40 = 17,761.68/x
  3. Step 3: Cross multiply
    62,143.20x = 93,200.40 × 17,761.68
  4. Step 4: Simplify right side
    62,143.20x = 1,655,395,680.67
  5. Step 5: Solve for x
    x = 1,655,395,680.67/62,143.20
  6. Step 6: Final answer
    x = 26,638.40

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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.