Home / 136,298.20-204,359.76-89,496.40

Finding the Fourth Proportional to 136,298.20, 204,359.76 and 89,496.40

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Solution

The fourth proportional to 136,298.20, 204,359.76 and 89,496.40 is: 134,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,298.20 : 204,359.76 = 89,496.40 : x
  2. Step 2: Convert to fraction form
    136,298.20/204,359.76 = 89,496.40/x
  3. Step 3: Cross multiply
    136,298.20x = 204,359.76 × 89,496.40
  4. Step 4: Simplify right side
    136,298.20x = 18,289,462,824.86
  5. Step 5: Solve for x
    x = 18,289,462,824.86/136,298.20
  6. Step 6: Final answer
    x = 134,187.12

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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.