Home / 130,715.60-180,372.72-73,347.42

Finding the Fourth Proportional to 130,715.60, 180,372.72 and 73,347.42

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Solution

The fourth proportional to 130,715.60, 180,372.72 and 73,347.42 is: 101,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,715.60 : 180,372.72 = 73,347.42 : x
  2. Step 2: Convert to fraction form
    130,715.60/180,372.72 = 73,347.42/x
  3. Step 3: Cross multiply
    130,715.60x = 180,372.72 × 73,347.42
  4. Step 4: Simplify right side
    130,715.60x = 13,229,873,650.38
  5. Step 5: Solve for x
    x = 13,229,873,650.38/130,715.60
  6. Step 6: Final answer
    x = 101,211.13

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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.