Home / 134,725.42-185,933.61-77,372.74

Finding the Fourth Proportional to 134,725.42, 185,933.61 and 77,372.74

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Solution

The fourth proportional to 134,725.42, 185,933.61 and 77,372.74 is: 106,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,725.42 : 185,933.61 = 77,372.74 : x
  2. Step 2: Convert to fraction form
    134,725.42/185,933.61 = 77,372.74/x
  3. Step 3: Cross multiply
    134,725.42x = 185,933.61 × 77,372.74
  4. Step 4: Simplify right side
    134,725.42x = 14,386,192,863.79
  5. Step 5: Solve for x
    x = 14,386,192,863.79/134,725.42
  6. Step 6: Final answer
    x = 106,781.58

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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.