Home / 130,304.58-179,805.15-72,947.04

Finding the Fourth Proportional to 130,304.58, 179,805.15 and 72,947.04

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Solution

The fourth proportional to 130,304.58, 179,805.15 and 72,947.04 is: 100,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,304.58 : 179,805.15 = 72,947.04 : x
  2. Step 2: Convert to fraction form
    130,304.58/179,805.15 = 72,947.04/x
  3. Step 3: Cross multiply
    130,304.58x = 179,805.15 × 72,947.04
  4. Step 4: Simplify right side
    130,304.58x = 13,116,253,469.26
  5. Step 5: Solve for x
    x = 13,116,253,469.26/130,304.58
  6. Step 6: Final answer
    x = 100,658.42

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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.