Home / 147,583.13-221,412.11-42,402.15

Finding the Fourth Proportional to 147,583.13, 221,412.11 and 42,402.15

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Solution

The fourth proportional to 147,583.13, 221,412.11 and 42,402.15 is: 63,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,583.13 : 221,412.11 = 42,402.15 : x
  2. Step 2: Convert to fraction form
    147,583.13/221,412.11 = 42,402.15/x
  3. Step 3: Cross multiply
    147,583.13x = 221,412.11 × 42,402.15
  4. Step 4: Simplify right side
    147,583.13x = 9,388,349,288.03
  5. Step 5: Solve for x
    x = 9,388,349,288.03/147,583.13
  6. Step 6: Final answer
    x = 63,613.98

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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.