Home / 149,047.13-223,537.10-42,428.72

Finding the Fourth Proportional to 149,047.13, 223,537.10 and 42,428.72

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Solution

The fourth proportional to 149,047.13, 223,537.10 and 42,428.72 is: 63,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,047.13 : 223,537.10 = 42,428.72 : x
  2. Step 2: Convert to fraction form
    149,047.13/223,537.10 = 42,428.72/x
  3. Step 3: Cross multiply
    149,047.13x = 223,537.10 × 42,428.72
  4. Step 4: Simplify right side
    149,047.13x = 9,484,391,695.68
  5. Step 5: Solve for x
    x = 9,484,391,695.68/149,047.13
  6. Step 6: Final answer
    x = 63,633.51

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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.