Home / 243,753.20-365,845.80-143,788.40

Finding the Fourth Proportional to 243,753.20, 365,845.80 and 143,788.40

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Solution

The fourth proportional to 243,753.20, 365,845.80 and 143,788.40 is: 215,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,753.20 : 365,845.80 = 143,788.40 : x
  2. Step 2: Convert to fraction form
    243,753.20/365,845.80 = 143,788.40/x
  3. Step 3: Cross multiply
    243,753.20x = 365,845.80 × 143,788.40
  4. Step 4: Simplify right side
    243,753.20x = 52,604,382,228.72
  5. Step 5: Solve for x
    x = 52,604,382,228.72/243,753.20
  6. Step 6: Final answer
    x = 215,810.02

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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.