Home / 135,432.10-186,896.82-75,001.42

Finding the Fourth Proportional to 135,432.10, 186,896.82 and 75,001.42

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Solution

The fourth proportional to 135,432.10, 186,896.82 and 75,001.42 is: 103,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,432.10 : 186,896.82 = 75,001.42 : x
  2. Step 2: Convert to fraction form
    135,432.10/186,896.82 = 75,001.42/x
  3. Step 3: Cross multiply
    135,432.10x = 186,896.82 × 75,001.42
  4. Step 4: Simplify right side
    135,432.10x = 14,017,526,893.48
  5. Step 5: Solve for x
    x = 14,017,526,893.48/135,432.10
  6. Step 6: Final answer
    x = 103,502.25

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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.