Home / 145,423.20-200,680.56-95,121.12

Finding the Fourth Proportional to 145,423.20, 200,680.56 and 95,121.12

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Solution

The fourth proportional to 145,423.20, 200,680.56 and 95,121.12 is: 131,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,423.20 : 200,680.56 = 95,121.12 : x
  2. Step 2: Convert to fraction form
    145,423.20/200,680.56 = 95,121.12/x
  3. Step 3: Cross multiply
    145,423.20x = 200,680.56 × 95,121.12
  4. Step 4: Simplify right side
    145,423.20x = 19,088,959,629.43
  5. Step 5: Solve for x
    x = 19,088,959,629.43/145,423.20
  6. Step 6: Final answer
    x = 131,264.89

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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.