Home / 129,659.64-194,565.99-54,774.93

Finding the Fourth Proportional to 129,659.64, 194,565.99 and 54,774.93

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Solution

The fourth proportional to 129,659.64, 194,565.99 and 54,774.93 is: 82,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,659.64 : 194,565.99 = 54,774.93 : x
  2. Step 2: Convert to fraction form
    129,659.64/194,565.99 = 54,774.93/x
  3. Step 3: Cross multiply
    129,659.64x = 194,565.99 × 54,774.93
  4. Step 4: Simplify right side
    129,659.64x = 10,657,338,482.63
  5. Step 5: Solve for x
    x = 10,657,338,482.63/129,659.64
  6. Step 6: Final answer
    x = 82,194.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.