Home / 130,102.19-179,538.68-73,512.35

Finding the Fourth Proportional to 130,102.19, 179,538.68 and 73,512.35

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Solution

The fourth proportional to 130,102.19, 179,538.68 and 73,512.35 is: 101,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,102.19 : 179,538.68 = 73,512.35 : x
  2. Step 2: Convert to fraction form
    130,102.19/179,538.68 = 73,512.35/x
  3. Step 3: Cross multiply
    130,102.19x = 179,538.68 × 73,512.35
  4. Step 4: Simplify right side
    130,102.19x = 13,198,310,282.70
  5. Step 5: Solve for x
    x = 13,198,310,282.70/130,102.19
  6. Step 6: Final answer
    x = 101,445.72

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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.