Home / 119,545.72-164,973.57-71,799.88

Finding the Fourth Proportional to 119,545.72, 164,973.57 and 71,799.88

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Solution

The fourth proportional to 119,545.72, 164,973.57 and 71,799.88 is: 99,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,545.72 : 164,973.57 = 71,799.88 : x
  2. Step 2: Convert to fraction form
    119,545.72/164,973.57 = 71,799.88/x
  3. Step 3: Cross multiply
    119,545.72x = 164,973.57 × 71,799.88
  4. Step 4: Simplify right side
    119,545.72x = 11,845,082,529.17
  5. Step 5: Solve for x
    x = 11,845,082,529.17/119,545.72
  6. Step 6: Final answer
    x = 99,084.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.