Home / 118,289.16-177,337.80-80,754.66

Finding the Fourth Proportional to 118,289.16, 177,337.80 and 80,754.66

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Solution

The fourth proportional to 118,289.16, 177,337.80 and 80,754.66 is: 121,066.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,289.16 : 177,337.80 = 80,754.66 : x
  2. Step 2: Convert to fraction form
    118,289.16/177,337.80 = 80,754.66/x
  3. Step 3: Cross multiply
    118,289.16x = 177,337.80 × 80,754.66
  4. Step 4: Simplify right side
    118,289.16x = 14,320,853,744.15
  5. Step 5: Solve for x
    x = 14,320,853,744.15/118,289.16
  6. Step 6: Final answer
    x = 121,066.49

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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.