Home / 131,493.60-197,240.40-89,503.20

Finding the Fourth Proportional to 131,493.60, 197,240.40 and 89,503.20

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Solution

The fourth proportional to 131,493.60, 197,240.40 and 89,503.20 is: 134,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,493.60 : 197,240.40 = 89,503.20 : x
  2. Step 2: Convert to fraction form
    131,493.60/197,240.40 = 89,503.20/x
  3. Step 3: Cross multiply
    131,493.60x = 197,240.40 × 89,503.20
  4. Step 4: Simplify right side
    131,493.60x = 17,653,646,969.28
  5. Step 5: Solve for x
    x = 17,653,646,969.28/131,493.60
  6. Step 6: Final answer
    x = 134,254.80

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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.