Home / 161,680.20-242,520.30-144,767.40

Finding the Fourth Proportional to 161,680.20, 242,520.30 and 144,767.40

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Solution

The fourth proportional to 161,680.20, 242,520.30 and 144,767.40 is: 217,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,680.20 : 242,520.30 = 144,767.40 : x
  2. Step 2: Convert to fraction form
    161,680.20/242,520.30 = 144,767.40/x
  3. Step 3: Cross multiply
    161,680.20x = 242,520.30 × 144,767.40
  4. Step 4: Simplify right side
    161,680.20x = 35,109,033,278.22
  5. Step 5: Solve for x
    x = 35,109,033,278.22/161,680.20
  6. Step 6: Final answer
    x = 217,151.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.