Home / 215,040.53-296,763.54-118,251.79

Finding the Fourth Proportional to 215,040.53, 296,763.54 and 118,251.79

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Solution

The fourth proportional to 215,040.53, 296,763.54 and 118,251.79 is: 163,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,040.53 : 296,763.54 = 118,251.79 : x
  2. Step 2: Convert to fraction form
    215,040.53/296,763.54 = 118,251.79/x
  3. Step 3: Cross multiply
    215,040.53x = 296,763.54 × 118,251.79
  4. Step 4: Simplify right side
    215,040.53x = 35,092,819,811.74
  5. Step 5: Solve for x
    x = 35,092,819,811.74/215,040.53
  6. Step 6: Final answer
    x = 163,191.65

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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.