Home / 243,200.16-335,520.90-141,208.20

Finding the Fourth Proportional to 243,200.16, 335,520.90 and 141,208.20

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Solution

The fourth proportional to 243,200.16, 335,520.90 and 141,208.20 is: 194,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,200.16 : 335,520.90 = 141,208.20 : x
  2. Step 2: Convert to fraction form
    243,200.16/335,520.90 = 141,208.20/x
  3. Step 3: Cross multiply
    243,200.16x = 335,520.90 × 141,208.20
  4. Step 4: Simplify right side
    243,200.16x = 47,378,302,351.38
  5. Step 5: Solve for x
    x = 47,378,302,351.38/243,200.16
  6. Step 6: Final answer
    x = 194,811.97

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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.