Home / 113,241.60-156,111.36-75,502.08

Finding the Fourth Proportional to 113,241.60, 156,111.36 and 75,502.08

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Solution

The fourth proportional to 113,241.60, 156,111.36 and 75,502.08 is: 104,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,241.60 : 156,111.36 = 75,502.08 : x
  2. Step 2: Convert to fraction form
    113,241.60/156,111.36 = 75,502.08/x
  3. Step 3: Cross multiply
    113,241.60x = 156,111.36 × 75,502.08
  4. Step 4: Simplify right side
    113,241.60x = 11,786,732,391.63
  5. Step 5: Solve for x
    x = 11,786,732,391.63/113,241.60
  6. Step 6: Final answer
    x = 104,084.83

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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.