Home / 126,264.39-174,274.68-72,580.55

Finding the Fourth Proportional to 126,264.39, 174,274.68 and 72,580.55

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Solution

The fourth proportional to 126,264.39, 174,274.68 and 72,580.55 is: 100,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,264.39 : 174,274.68 = 72,580.55 : x
  2. Step 2: Convert to fraction form
    126,264.39/174,274.68 = 72,580.55/x
  3. Step 3: Cross multiply
    126,264.39x = 174,274.68 × 72,580.55
  4. Step 4: Simplify right side
    126,264.39x = 12,648,952,333.00
  5. Step 5: Solve for x
    x = 12,648,952,333.00/126,264.39
  6. Step 6: Final answer
    x = 100,178.30

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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.