Home / 159,639.17-239,389.35-45,761.90

Finding the Fourth Proportional to 159,639.17, 239,389.35 and 45,761.90

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Solution

The fourth proportional to 159,639.17, 239,389.35 and 45,761.90 is: 68,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,639.17 : 239,389.35 = 45,761.90 : x
  2. Step 2: Convert to fraction form
    159,639.17/239,389.35 = 45,761.90/x
  3. Step 3: Cross multiply
    159,639.17x = 239,389.35 × 45,761.90
  4. Step 4: Simplify right side
    159,639.17x = 10,954,910,127.21
  5. Step 5: Solve for x
    x = 10,954,910,127.21/159,639.17
  6. Step 6: Final answer
    x = 68,622.95

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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.