Home / 130,722.32-196,073.92-74,385.66

Finding the Fourth Proportional to 130,722.32, 196,073.92 and 74,385.66

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Solution

The fourth proportional to 130,722.32, 196,073.92 and 74,385.66 is: 111,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,722.32 : 196,073.92 = 74,385.66 : x
  2. Step 2: Convert to fraction form
    130,722.32/196,073.92 = 74,385.66/x
  3. Step 3: Cross multiply
    130,722.32x = 196,073.92 × 74,385.66
  4. Step 4: Simplify right side
    130,722.32x = 14,585,087,254.91
  5. Step 5: Solve for x
    x = 14,585,087,254.91/130,722.32
  6. Step 6: Final answer
    x = 111,573.04

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1.5x scale

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.