Home / 136,498.30-188,997.51-126,000.70

Finding the Fourth Proportional to 136,498.30, 188,997.51 and 126,000.70

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Solution

The fourth proportional to 136,498.30, 188,997.51 and 126,000.70 is: 174,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,498.30 : 188,997.51 = 126,000.70 : x
  2. Step 2: Convert to fraction form
    136,498.30/188,997.51 = 126,000.70/x
  3. Step 3: Cross multiply
    136,498.30x = 188,997.51 × 126,000.70
  4. Step 4: Simplify right side
    136,498.30x = 23,813,818,558.26
  5. Step 5: Solve for x
    x = 23,813,818,558.26/136,498.30
  6. Step 6: Final answer
    x = 174,462.38

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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.