Home / 243,853.12-336,526.88-143,250.24

Finding the Fourth Proportional to 243,853.12, 336,526.88 and 143,250.24

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Solution

The fourth proportional to 243,853.12, 336,526.88 and 143,250.24 is: 197,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,853.12 : 336,526.88 = 143,250.24 : x
  2. Step 2: Convert to fraction form
    243,853.12/336,526.88 = 143,250.24/x
  3. Step 3: Cross multiply
    243,853.12x = 336,526.88 × 143,250.24
  4. Step 4: Simplify right side
    243,853.12x = 48,207,556,326.45
  5. Step 5: Solve for x
    x = 48,207,556,326.45/243,853.12
  6. Step 6: Final answer
    x = 197,690.96

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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.