Home / 243,734.18-336,346.89-134,842.61

Finding the Fourth Proportional to 243,734.18, 336,346.89 and 134,842.61

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Solution

The fourth proportional to 243,734.18, 336,346.89 and 134,842.61 is: 186,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,734.18 : 336,346.89 = 134,842.61 : x
  2. Step 2: Convert to fraction form
    243,734.18/336,346.89 = 134,842.61/x
  3. Step 3: Cross multiply
    243,734.18x = 336,346.89 × 134,842.61
  4. Step 4: Simplify right side
    243,734.18x = 45,353,890,831.25
  5. Step 5: Solve for x
    x = 45,353,890,831.25/243,734.18
  6. Step 6: Final answer
    x = 186,079.33

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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.