Home / 126,734.01-174,889.46-72,284.95

Finding the Fourth Proportional to 126,734.01, 174,889.46 and 72,284.95

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Solution

The fourth proportional to 126,734.01, 174,889.46 and 72,284.95 is: 99,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734.01 : 174,889.46 = 72,284.95 : x
  2. Step 2: Convert to fraction form
    126,734.01/174,889.46 = 72,284.95/x
  3. Step 3: Cross multiply
    126,734.01x = 174,889.46 × 72,284.95
  4. Step 4: Simplify right side
    126,734.01x = 12,641,875,615.12
  5. Step 5: Solve for x
    x = 12,641,875,615.12/126,734.01
  6. Step 6: Final answer
    x = 99,751.25

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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.