Home / 126,433.22-174,482.85-72,718.17

Finding the Fourth Proportional to 126,433.22, 174,482.85 and 72,718.17

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Solution

The fourth proportional to 126,433.22, 174,482.85 and 72,718.17 is: 100,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,433.22 : 174,482.85 = 72,718.17 : x
  2. Step 2: Convert to fraction form
    126,433.22/174,482.85 = 72,718.17/x
  3. Step 3: Cross multiply
    126,433.22x = 174,482.85 × 72,718.17
  4. Step 4: Simplify right side
    126,433.22x = 12,688,073,548.38
  5. Step 5: Solve for x
    x = 12,688,073,548.38/126,433.22
  6. Step 6: Final answer
    x = 100,353.96

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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.