Home / 138,449.36-207,671.06-38,606.89

Finding the Fourth Proportional to 138,449.36, 207,671.06 and 38,606.89

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Solution

The fourth proportional to 138,449.36, 207,671.06 and 38,606.89 is: 57,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,449.36 : 207,671.06 = 38,606.89 : x
  2. Step 2: Convert to fraction form
    138,449.36/207,671.06 = 38,606.89/x
  3. Step 3: Cross multiply
    138,449.36x = 207,671.06 × 38,606.89
  4. Step 4: Simplify right side
    138,449.36x = 8,017,534,192.26
  5. Step 5: Solve for x
    x = 8,017,534,192.26/138,449.36
  6. Step 6: Final answer
    x = 57,909.51

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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.