Home / 149,129.65-223,507.18-89,202.34

Finding the Fourth Proportional to 149,129.65, 223,507.18 and 89,202.34

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Solution

The fourth proportional to 149,129.65, 223,507.18 and 89,202.34 is: 133,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,129.65 : 223,507.18 = 89,202.34 : x
  2. Step 2: Convert to fraction form
    149,129.65/223,507.18 = 89,202.34/x
  3. Step 3: Cross multiply
    149,129.65x = 223,507.18 × 89,202.34
  4. Step 4: Simplify right side
    149,129.65x = 19,937,363,462.80
  5. Step 5: Solve for x
    x = 19,937,363,462.80/149,129.65
  6. Step 6: Final answer
    x = 133,691.48

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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.