Home / 130,771.32-180,248.76-92,481.36

Finding the Fourth Proportional to 130,771.32, 180,248.76 and 92,481.36

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Solution

The fourth proportional to 130,771.32, 180,248.76 and 92,481.36 is: 127,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,771.32 : 180,248.76 = 92,481.36 : x
  2. Step 2: Convert to fraction form
    130,771.32/180,248.76 = 92,481.36/x
  3. Step 3: Cross multiply
    130,771.32x = 180,248.76 × 92,481.36
  4. Step 4: Simplify right side
    130,771.32x = 16,669,650,463.11
  5. Step 5: Solve for x
    x = 16,669,650,463.11/130,771.32
  6. Step 6: Final answer
    x = 127,471.76

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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.