Home / 130,589.50-196,065.84-67,456.28

Finding the Fourth Proportional to 130,589.50, 196,065.84 and 67,456.28

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Solution

The fourth proportional to 130,589.50, 196,065.84 and 67,456.28 is: 101,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,589.50 : 196,065.84 = 67,456.28 : x
  2. Step 2: Convert to fraction form
    130,589.50/196,065.84 = 67,456.28/x
  3. Step 3: Cross multiply
    130,589.50x = 196,065.84 × 67,456.28
  4. Step 4: Simplify right side
    130,589.50x = 13,225,872,201.48
  5. Step 5: Solve for x
    x = 13,225,872,201.48/130,589.50
  6. Step 6: Final answer
    x = 101,278.22

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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.