Home / 130,294.44-179,815.02-72,938.85

Finding the Fourth Proportional to 130,294.44, 179,815.02 and 72,938.85

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Solution

The fourth proportional to 130,294.44, 179,815.02 and 72,938.85 is: 100,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,294.44 : 179,815.02 = 72,938.85 : x
  2. Step 2: Convert to fraction form
    130,294.44/179,815.02 = 72,938.85/x
  3. Step 3: Cross multiply
    130,294.44x = 179,815.02 × 72,938.85
  4. Step 4: Simplify right side
    130,294.44x = 13,115,500,771.53
  5. Step 5: Solve for x
    x = 13,115,500,771.53/130,294.44
  6. Step 6: Final answer
    x = 100,660.48

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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.