Home / 106,738.29-147,306.47-58,990.68

Finding the Fourth Proportional to 106,738.29, 147,306.47 and 58,990.68

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Solution

The fourth proportional to 106,738.29, 147,306.47 and 58,990.68 is: 81,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,738.29 : 147,306.47 = 58,990.68 : x
  2. Step 2: Convert to fraction form
    106,738.29/147,306.47 = 58,990.68/x
  3. Step 3: Cross multiply
    106,738.29x = 147,306.47 × 58,990.68
  4. Step 4: Simplify right side
    106,738.29x = 8,689,708,538.75
  5. Step 5: Solve for x
    x = 8,689,708,538.75/106,738.29
  6. Step 6: Final answer
    x = 81,411.35

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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.