Home / 142,444.79-213,772.25-67,565.18

Finding the Fourth Proportional to 142,444.79, 213,772.25 and 67,565.18

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Solution

The fourth proportional to 142,444.79, 213,772.25 and 67,565.18 is: 101,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,444.79 : 213,772.25 = 67,565.18 : x
  2. Step 2: Convert to fraction form
    142,444.79/213,772.25 = 67,565.18/x
  3. Step 3: Cross multiply
    142,444.79x = 213,772.25 × 67,565.18
  4. Step 4: Simplify right side
    142,444.79x = 14,443,560,550.26
  5. Step 5: Solve for x
    x = 14,443,560,550.26/142,444.79
  6. Step 6: Final answer
    x = 101,397.60

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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.