Home / 129,923.76-179,291.16-73,340.40

Finding the Fourth Proportional to 129,923.76, 179,291.16 and 73,340.40

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Solution

The fourth proportional to 129,923.76, 179,291.16 and 73,340.40 is: 101,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,923.76 : 179,291.16 = 73,340.40 : x
  2. Step 2: Convert to fraction form
    129,923.76/179,291.16 = 73,340.40/x
  3. Step 3: Cross multiply
    129,923.76x = 179,291.16 × 73,340.40
  4. Step 4: Simplify right side
    129,923.76x = 13,149,285,390.86
  5. Step 5: Solve for x
    x = 13,149,285,390.86/129,923.76
  6. Step 6: Final answer
    x = 101,207.70

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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.