Home / 126,492.20-174,554.52-72,785.52

Finding the Fourth Proportional to 126,492.20, 174,554.52 and 72,785.52

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Solution

The fourth proportional to 126,492.20, 174,554.52 and 72,785.52 is: 100,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,492.20 : 174,554.52 = 72,785.52 : x
  2. Step 2: Convert to fraction form
    126,492.20/174,554.52 = 72,785.52/x
  3. Step 3: Cross multiply
    126,492.20x = 174,554.52 × 72,785.52
  4. Step 4: Simplify right side
    126,492.20x = 12,705,041,506.55
  5. Step 5: Solve for x
    x = 12,705,041,506.55/126,492.20
  6. Step 6: Final answer
    x = 100,441.30

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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.