Home / 138,606.72-207,925.44-45,095.04

Finding the Fourth Proportional to 138,606.72, 207,925.44 and 45,095.04

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Solution

The fourth proportional to 138,606.72, 207,925.44 and 45,095.04 is: 67,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,606.72 : 207,925.44 = 45,095.04 : x
  2. Step 2: Convert to fraction form
    138,606.72/207,925.44 = 45,095.04/x
  3. Step 3: Cross multiply
    138,606.72x = 207,925.44 × 45,095.04
  4. Step 4: Simplify right side
    138,606.72x = 9,376,406,033.82
  5. Step 5: Solve for x
    x = 9,376,406,033.82/138,606.72
  6. Step 6: Final answer
    x = 67,647.56

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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.