Home / 134,377.74-185,379.24-86,646.42

Finding the Fourth Proportional to 134,377.74, 185,379.24 and 86,646.42

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Solution

The fourth proportional to 134,377.74, 185,379.24 and 86,646.42 is: 119,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,377.74 : 185,379.24 = 86,646.42 : x
  2. Step 2: Convert to fraction form
    134,377.74/185,379.24 = 86,646.42/x
  3. Step 3: Cross multiply
    134,377.74x = 185,379.24 × 86,646.42
  4. Step 4: Simplify right side
    134,377.74x = 16,062,447,488.32
  5. Step 5: Solve for x
    x = 16,062,447,488.32/134,377.74
  6. Step 6: Final answer
    x = 119,532.06

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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.