Home / 252,500.64-348,451.92-139,326.72

Finding the Fourth Proportional to 252,500.64, 348,451.92 and 139,326.72

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Solution

The fourth proportional to 252,500.64, 348,451.92 and 139,326.72 is: 192,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,500.64 : 348,451.92 = 139,326.72 : x
  2. Step 2: Convert to fraction form
    252,500.64/348,451.92 = 139,326.72/x
  3. Step 3: Cross multiply
    252,500.64x = 348,451.92 × 139,326.72
  4. Step 4: Simplify right side
    252,500.64x = 48,548,663,091.30
  5. Step 5: Solve for x
    x = 48,548,663,091.30/252,500.64
  6. Step 6: Final answer
    x = 192,271.45

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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.