Home / 97,278.15-134,242.05-54,836.71

Finding the Fourth Proportional to 97,278.15, 134,242.05 and 54,836.71

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Solution

The fourth proportional to 97,278.15, 134,242.05 and 54,836.71 is: 75,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,278.15 : 134,242.05 = 54,836.71 : x
  2. Step 2: Convert to fraction form
    97,278.15/134,242.05 = 54,836.71/x
  3. Step 3: Cross multiply
    97,278.15x = 134,242.05 × 54,836.71
  4. Step 4: Simplify right side
    97,278.15x = 7,361,392,365.66
  5. Step 5: Solve for x
    x = 7,361,392,365.66/97,278.15
  6. Step 6: Final answer
    x = 75,673.65

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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.