Home / 135,432.60-186,897.51-75,001.92

Finding the Fourth Proportional to 135,432.60, 186,897.51 and 75,001.92

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Solution

The fourth proportional to 135,432.60, 186,897.51 and 75,001.92 is: 103,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,432.60 : 186,897.51 = 75,001.92 : x
  2. Step 2: Convert to fraction form
    135,432.60/186,897.51 = 75,001.92/x
  3. Step 3: Cross multiply
    135,432.60x = 186,897.51 × 75,001.92
  4. Step 4: Simplify right side
    135,432.60x = 14,017,672,093.22
  5. Step 5: Solve for x
    x = 14,017,672,093.22/135,432.60
  6. Step 6: Final answer
    x = 103,502.94

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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.