Home / 113,013.79-169,520.68-88,072.50

Finding the Fourth Proportional to 113,013.79, 169,520.68 and 88,072.50

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Solution

The fourth proportional to 113,013.79, 169,520.68 and 88,072.50 is: 132,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,013.79 : 169,520.68 = 88,072.50 : x
  2. Step 2: Convert to fraction form
    113,013.79/169,520.68 = 88,072.50/x
  3. Step 3: Cross multiply
    113,013.79x = 169,520.68 × 88,072.50
  4. Step 4: Simplify right side
    113,013.79x = 14,930,109,241.70
  5. Step 5: Solve for x
    x = 14,930,109,241.70/113,013.79
  6. Step 6: Final answer
    x = 132,108.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.