Home / 181,925.20-272,887.80-137,310.40

Finding the Fourth Proportional to 181,925.20, 272,887.80 and 137,310.40

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Solution

The fourth proportional to 181,925.20, 272,887.80 and 137,310.40 is: 205,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,925.20 : 272,887.80 = 137,310.40 : x
  2. Step 2: Convert to fraction form
    181,925.20/272,887.80 = 137,310.40/x
  3. Step 3: Cross multiply
    181,925.20x = 272,887.80 × 137,310.40
  4. Step 4: Simplify right side
    181,925.20x = 37,470,332,973.12
  5. Step 5: Solve for x
    x = 37,470,332,973.12/181,925.20
  6. Step 6: Final answer
    x = 205,965.60

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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.