Home / 134,974.80-186,267-74,545.26

Finding the Fourth Proportional to 134,974.80, 186,267 and 74,545.26

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Solution

The fourth proportional to 134,974.80, 186,267 and 74,545.26 is: 102,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,974.80 : 186,267 = 74,545.26 : x
  2. Step 2: Convert to fraction form
    134,974.80/186,267 = 74,545.26/x
  3. Step 3: Cross multiply
    134,974.80x = 186,267 × 74,545.26
  4. Step 4: Simplify right side
    134,974.80x = 13,885,321,944.42
  5. Step 5: Solve for x
    x = 13,885,321,944.42/134,974.80
  6. Step 6: Final answer
    x = 102,873.44

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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.