Home / 112,731.92-155,574.96-62,430.92

Finding the Fourth Proportional to 112,731.92, 155,574.96 and 62,430.92

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Solution

The fourth proportional to 112,731.92, 155,574.96 and 62,430.92 is: 86,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,731.92 : 155,574.96 = 62,430.92 : x
  2. Step 2: Convert to fraction form
    112,731.92/155,574.96 = 62,430.92/x
  3. Step 3: Cross multiply
    112,731.92x = 155,574.96 × 62,430.92
  4. Step 4: Simplify right side
    112,731.92x = 9,712,687,881.76
  5. Step 5: Solve for x
    x = 9,712,687,881.76/112,731.92
  6. Step 6: Final answer
    x = 86,157.39

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1.5x scale

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.