Home / 112,712.47-169,073.90-62,754.95

Finding the Fourth Proportional to 112,712.47, 169,073.90 and 62,754.95

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Solution

The fourth proportional to 112,712.47, 169,073.90 and 62,754.95 is: 94,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,712.47 : 169,073.90 = 62,754.95 : x
  2. Step 2: Convert to fraction form
    112,712.47/169,073.90 = 62,754.95/x
  3. Step 3: Cross multiply
    112,712.47x = 169,073.90 × 62,754.95
  4. Step 4: Simplify right side
    112,712.47x = 10,610,224,140.81
  5. Step 5: Solve for x
    x = 10,610,224,140.81/112,712.47
  6. Step 6: Final answer
    x = 94,135.32

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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.