Home / 138,242.03-207,443.70-58,275.14

Finding the Fourth Proportional to 138,242.03, 207,443.70 and 58,275.14

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Solution

The fourth proportional to 138,242.03, 207,443.70 and 58,275.14 is: 87,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,242.03 : 207,443.70 = 58,275.14 : x
  2. Step 2: Convert to fraction form
    138,242.03/207,443.70 = 58,275.14/x
  3. Step 3: Cross multiply
    138,242.03x = 207,443.70 × 58,275.14
  4. Step 4: Simplify right side
    138,242.03x = 12,088,809,622.40
  5. Step 5: Solve for x
    x = 12,088,809,622.40/138,242.03
  6. Step 6: Final answer
    x = 87,446.71

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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.