Home / 99,736.13-137,641.14-57,297.40

Finding the Fourth Proportional to 99,736.13, 137,641.14 and 57,297.40

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Solution

The fourth proportional to 99,736.13, 137,641.14 and 57,297.40 is: 79,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,736.13 : 137,641.14 = 57,297.40 : x
  2. Step 2: Convert to fraction form
    99,736.13/137,641.14 = 57,297.40/x
  3. Step 3: Cross multiply
    99,736.13x = 137,641.14 × 57,297.40
  4. Step 4: Simplify right side
    99,736.13x = 7,886,479,110.93
  5. Step 5: Solve for x
    x = 7,886,479,110.93/99,736.13
  6. Step 6: Final answer
    x = 79,073.44

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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.