Home / 252,291.20-348,156.16-139,114.24

Finding the Fourth Proportional to 252,291.20, 348,156.16 and 139,114.24

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Solution

The fourth proportional to 252,291.20, 348,156.16 and 139,114.24 is: 191,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,291.20 : 348,156.16 = 139,114.24 : x
  2. Step 2: Convert to fraction form
    252,291.20/348,156.16 = 139,114.24/x
  3. Step 3: Cross multiply
    252,291.20x = 348,156.16 × 139,114.24
  4. Step 4: Simplify right side
    252,291.20x = 48,433,479,599.72
  5. Step 5: Solve for x
    x = 48,433,479,599.72/252,291.20
  6. Step 6: Final answer
    x = 191,974.51

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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.