Home / 252,436.17-348,337.66-139,251.63

Finding the Fourth Proportional to 252,436.17, 348,337.66 and 139,251.63

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Solution

The fourth proportional to 252,436.17, 348,337.66 and 139,251.63 is: 192,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,436.17 : 348,337.66 = 139,251.63 : x
  2. Step 2: Convert to fraction form
    252,436.17/348,337.66 = 139,251.63/x
  3. Step 3: Cross multiply
    252,436.17x = 348,337.66 × 139,251.63
  4. Step 4: Simplify right side
    252,436.17x = 48,506,586,945.39
  5. Step 5: Solve for x
    x = 48,506,586,945.39/252,436.17
  6. Step 6: Final answer
    x = 192,153.87

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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.