Home / 168,350.40-232,348.72-107,989.12

Finding the Fourth Proportional to 168,350.40, 232,348.72 and 107,989.12

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Solution

The fourth proportional to 168,350.40, 232,348.72 and 107,989.12 is: 149,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,350.40 : 232,348.72 = 107,989.12 : x
  2. Step 2: Convert to fraction form
    168,350.40/232,348.72 = 107,989.12/x
  3. Step 3: Cross multiply
    168,350.40x = 232,348.72 × 107,989.12
  4. Step 4: Simplify right side
    168,350.40x = 25,091,133,805.93
  5. Step 5: Solve for x
    x = 25,091,133,805.93/168,350.40
  6. Step 6: Final answer
    x = 149,041.13

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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.