Home / 125,056.17-172,615.05-108,240.93

Finding the Fourth Proportional to 125,056.17, 172,615.05 and 108,240.93

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Solution

The fourth proportional to 125,056.17, 172,615.05 and 108,240.93 is: 149,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,056.17 : 172,615.05 = 108,240.93 : x
  2. Step 2: Convert to fraction form
    125,056.17/172,615.05 = 108,240.93/x
  3. Step 3: Cross multiply
    125,056.17x = 172,615.05 × 108,240.93
  4. Step 4: Simplify right side
    125,056.17x = 18,684,013,544.00
  5. Step 5: Solve for x
    x = 18,684,013,544.00/125,056.17
  6. Step 6: Final answer
    x = 149,404.97

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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.