Home / 131,557.65-197,368.88-38,072.85

Finding the Fourth Proportional to 131,557.65, 197,368.88 and 38,072.85

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Solution

The fourth proportional to 131,557.65, 197,368.88 and 38,072.85 is: 57,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,557.65 : 197,368.88 = 38,072.85 : x
  2. Step 2: Convert to fraction form
    131,557.65/197,368.88 = 38,072.85/x
  3. Step 3: Cross multiply
    131,557.65x = 197,368.88 × 38,072.85
  4. Step 4: Simplify right side
    131,557.65x = 7,514,395,572.54
  5. Step 5: Solve for x
    x = 7,514,395,572.54/131,557.65
  6. Step 6: Final answer
    x = 57,118.65

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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.