Home / 243,145.06-335,596.17-142,575.46

Finding the Fourth Proportional to 243,145.06, 335,596.17 and 142,575.46

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Solution

The fourth proportional to 243,145.06, 335,596.17 and 142,575.46 is: 196,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,145.06 : 335,596.17 = 142,575.46 : x
  2. Step 2: Convert to fraction form
    243,145.06/335,596.17 = 142,575.46/x
  3. Step 3: Cross multiply
    243,145.06x = 335,596.17 × 142,575.46
  4. Step 4: Simplify right side
    243,145.06x = 47,847,778,311.99
  5. Step 5: Solve for x
    x = 47,847,778,311.99/243,145.06
  6. Step 6: Final answer
    x = 196,786.96

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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.