Home / 130,099.32-179,472.78-89,854.20

Finding the Fourth Proportional to 130,099.32, 179,472.78 and 89,854.20

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Solution

The fourth proportional to 130,099.32, 179,472.78 and 89,854.20 is: 123,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,099.32 : 179,472.78 = 89,854.20 : x
  2. Step 2: Convert to fraction form
    130,099.32/179,472.78 = 89,854.20/x
  3. Step 3: Cross multiply
    130,099.32x = 179,472.78 × 89,854.20
  4. Step 4: Simplify right side
    130,099.32x = 16,126,383,068.68
  5. Step 5: Solve for x
    x = 16,126,383,068.68/130,099.32
  6. Step 6: Final answer
    x = 123,954.40

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1.5x scale

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.