Home / 130,715.60-180,391.11-73,358.43

Finding the Fourth Proportional to 130,715.60, 180,391.11 and 73,358.43

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Solution

The fourth proportional to 130,715.60, 180,391.11 and 73,358.43 is: 101,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,715.60 : 180,391.11 = 73,358.43 : x
  2. Step 2: Convert to fraction form
    130,715.60/180,391.11 = 73,358.43/x
  3. Step 3: Cross multiply
    130,715.60x = 180,391.11 × 73,358.43
  4. Step 4: Simplify right side
    130,715.60x = 13,233,209,091.34
  5. Step 5: Solve for x
    x = 13,233,209,091.34/130,715.60
  6. Step 6: Final answer
    x = 101,236.65

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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.