Home / 112,422.56-154,872-96,238.40

Finding the Fourth Proportional to 112,422.56, 154,872 and 96,238.40

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Solution

The fourth proportional to 112,422.56, 154,872 and 96,238.40 is: 132,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,422.56 : 154,872 = 96,238.40 : x
  2. Step 2: Convert to fraction form
    112,422.56/154,872 = 96,238.40/x
  3. Step 3: Cross multiply
    112,422.56x = 154,872 × 96,238.40
  4. Step 4: Simplify right side
    112,422.56x = 14,904,633,484.80
  5. Step 5: Solve for x
    x = 14,904,633,484.80/112,422.56
  6. Step 6: Final answer
    x = 132,576.89

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1.5x scale

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.