Home / 135,691.06-187,253.70-75,259.66

Finding the Fourth Proportional to 135,691.06, 187,253.70 and 75,259.66

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Solution

The fourth proportional to 135,691.06, 187,253.70 and 75,259.66 is: 103,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,691.06 : 187,253.70 = 75,259.66 : x
  2. Step 2: Convert to fraction form
    135,691.06/187,253.70 = 75,259.66/x
  3. Step 3: Cross multiply
    135,691.06x = 187,253.70 × 75,259.66
  4. Step 4: Simplify right side
    135,691.06x = 14,092,649,795.74
  5. Step 5: Solve for x
    x = 14,092,649,795.74/135,691.06
  6. Step 6: Final answer
    x = 103,858.35

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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.