Home / 147,531.68-221,298.89-42,350.65

Finding the Fourth Proportional to 147,531.68, 221,298.89 and 42,350.65

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Solution

The fourth proportional to 147,531.68, 221,298.89 and 42,350.65 is: 63,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531.68 : 221,298.89 = 42,350.65 : x
  2. Step 2: Convert to fraction form
    147,531.68/221,298.89 = 42,350.65/x
  3. Step 3: Cross multiply
    147,531.68x = 221,298.89 × 42,350.65
  4. Step 4: Simplify right side
    147,531.68x = 9,372,151,070.78
  5. Step 5: Solve for x
    x = 9,372,151,070.78/147,531.68
  6. Step 6: Final answer
    x = 63,526.36

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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.