Home / 126,973.71-175,225.28-73,269.90

Finding the Fourth Proportional to 126,973.71, 175,225.28 and 73,269.90

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Solution

The fourth proportional to 126,973.71, 175,225.28 and 73,269.90 is: 101,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,973.71 : 175,225.28 = 73,269.90 : x
  2. Step 2: Convert to fraction form
    126,973.71/175,225.28 = 73,269.90/x
  3. Step 3: Cross multiply
    126,973.71x = 175,225.28 × 73,269.90
  4. Step 4: Simplify right side
    126,973.71x = 12,838,738,376.72
  5. Step 5: Solve for x
    x = 12,838,738,376.72/126,973.71
  6. Step 6: Final answer
    x = 101,113.36

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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.