Home / 252,677.72-348,697.86-139,500.20

Finding the Fourth Proportional to 252,677.72, 348,697.86 and 139,500.20

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Solution

The fourth proportional to 252,677.72, 348,697.86 and 139,500.20 is: 192,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,677.72 : 348,697.86 = 139,500.20 : x
  2. Step 2: Convert to fraction form
    252,677.72/348,697.86 = 139,500.20/x
  3. Step 3: Cross multiply
    252,677.72x = 348,697.86 × 139,500.20
  4. Step 4: Simplify right side
    252,677.72x = 48,643,421,209.57
  5. Step 5: Solve for x
    x = 48,643,421,209.57/252,677.72
  6. Step 6: Final answer
    x = 192,511.71

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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.