Home / 137,538.72-206,319.06-58,653.66

Finding the Fourth Proportional to 137,538.72, 206,319.06 and 58,653.66

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Solution

The fourth proportional to 137,538.72, 206,319.06 and 58,653.66 is: 87,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,538.72 : 206,319.06 = 58,653.66 : x
  2. Step 2: Convert to fraction form
    137,538.72/206,319.06 = 58,653.66/x
  3. Step 3: Cross multiply
    137,538.72x = 206,319.06 × 58,653.66
  4. Step 4: Simplify right side
    137,538.72x = 12,101,367,996.76
  5. Step 5: Solve for x
    x = 12,101,367,996.76/137,538.72
  6. Step 6: Final answer
    x = 87,985.17

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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.