Home / 118,752.39-178,134.12-66,122.24

Finding the Fourth Proportional to 118,752.39, 178,134.12 and 66,122.24

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Solution

The fourth proportional to 118,752.39, 178,134.12 and 66,122.24 is: 99,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,752.39 : 178,134.12 = 66,122.24 : x
  2. Step 2: Convert to fraction form
    118,752.39/178,134.12 = 66,122.24/x
  3. Step 3: Cross multiply
    118,752.39x = 178,134.12 × 66,122.24
  4. Step 4: Simplify right side
    118,752.39x = 11,778,626,144.16
  5. Step 5: Solve for x
    x = 11,778,626,144.16/118,752.39
  6. Step 6: Final answer
    x = 99,186.43

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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.