Home / 84,721.28-126,881.53-73,567.35

Finding the Fourth Proportional to 84,721.28, 126,881.53 and 73,567.35

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Solution

The fourth proportional to 84,721.28, 126,881.53 and 73,567.35 is: 110,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,721.28 : 126,881.53 = 73,567.35 : x
  2. Step 2: Convert to fraction form
    84,721.28/126,881.53 = 73,567.35/x
  3. Step 3: Cross multiply
    84,721.28x = 126,881.53 × 73,567.35
  4. Step 4: Simplify right side
    84,721.28x = 9,334,337,926.05
  5. Step 5: Solve for x
    x = 9,334,337,926.05/84,721.28
  6. Step 6: Final answer
    x = 110,177.02

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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.