Home / 147,716.10-221,574.15-42,545.70

Finding the Fourth Proportional to 147,716.10, 221,574.15 and 42,545.70

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Solution

The fourth proportional to 147,716.10, 221,574.15 and 42,545.70 is: 63,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,716.10 : 221,574.15 = 42,545.70 : x
  2. Step 2: Convert to fraction form
    147,716.10/221,574.15 = 42,545.70/x
  3. Step 3: Cross multiply
    147,716.10x = 221,574.15 × 42,545.70
  4. Step 4: Simplify right side
    147,716.10x = 9,427,027,313.66
  5. Step 5: Solve for x
    x = 9,427,027,313.66/147,716.10
  6. Step 6: Final answer
    x = 63,818.55

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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.