Home / 115,608.20-173,426.20-40,712.87

Finding the Fourth Proportional to 115,608.20, 173,426.20 and 40,712.87

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Solution

The fourth proportional to 115,608.20, 173,426.20 and 40,712.87 is: 61,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,608.20 : 173,426.20 = 40,712.87 : x
  2. Step 2: Convert to fraction form
    115,608.20/173,426.20 = 40,712.87/x
  3. Step 3: Cross multiply
    115,608.20x = 173,426.20 × 40,712.87
  4. Step 4: Simplify right side
    115,608.20x = 7,060,678,335.19
  5. Step 5: Solve for x
    x = 7,060,678,335.19/115,608.20
  6. Step 6: Final answer
    x = 61,074.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.