Home / 138,785.74-208,174.13-58,802.34

Finding the Fourth Proportional to 138,785.74, 208,174.13 and 58,802.34

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Solution

The fourth proportional to 138,785.74, 208,174.13 and 58,802.34 is: 88,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,785.74 : 208,174.13 = 58,802.34 : x
  2. Step 2: Convert to fraction form
    138,785.74/208,174.13 = 58,802.34/x
  3. Step 3: Cross multiply
    138,785.74x = 208,174.13 × 58,802.34
  4. Step 4: Simplify right side
    138,785.74x = 12,241,125,971.46
  5. Step 5: Solve for x
    x = 12,241,125,971.46/138,785.74
  6. Step 6: Final answer
    x = 88,201.61

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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.