Home / 115,733.20-173,657.40-45,614.80

Finding the Fourth Proportional to 115,733.20, 173,657.40 and 45,614.80

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Solution

The fourth proportional to 115,733.20, 173,657.40 and 45,614.80 is: 68,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,733.20 : 173,657.40 = 45,614.80 : x
  2. Step 2: Convert to fraction form
    115,733.20/173,657.40 = 45,614.80/x
  3. Step 3: Cross multiply
    115,733.20x = 173,657.40 × 45,614.80
  4. Step 4: Simplify right side
    115,733.20x = 7,921,347,569.52
  5. Step 5: Solve for x
    x = 7,921,347,569.52/115,733.20
  6. Step 6: Final answer
    x = 68,444.90

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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.