Home / 131,608.40-197,250.60-89,488.40

Finding the Fourth Proportional to 131,608.40, 197,250.60 and 89,488.40

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Solution

The fourth proportional to 131,608.40, 197,250.60 and 89,488.40 is: 134,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,608.40 : 197,250.60 = 89,488.40 : x
  2. Step 2: Convert to fraction form
    131,608.40/197,250.60 = 89,488.40/x
  3. Step 3: Cross multiply
    131,608.40x = 197,250.60 × 89,488.40
  4. Step 4: Simplify right side
    131,608.40x = 17,651,640,593.04
  5. Step 5: Solve for x
    x = 17,651,640,593.04/131,608.40
  6. Step 6: Final answer
    x = 134,122.45

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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.