Home / 252,780.28-348,838.86-139,604.92

Finding the Fourth Proportional to 252,780.28, 348,838.86 and 139,604.92

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Solution

The fourth proportional to 252,780.28, 348,838.86 and 139,604.92 is: 192,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,780.28 : 348,838.86 = 139,604.92 : x
  2. Step 2: Convert to fraction form
    252,780.28/348,838.86 = 139,604.92/x
  3. Step 3: Cross multiply
    252,780.28x = 348,838.86 × 139,604.92
  4. Step 4: Simplify right side
    252,780.28x = 48,699,621,143.19
  5. Step 5: Solve for x
    x = 48,699,621,143.19/252,780.28
  6. Step 6: Final answer
    x = 192,655.93

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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.