Home / 252,490.50-348,444.18-139,320.54

Finding the Fourth Proportional to 252,490.50, 348,444.18 and 139,320.54

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Solution

The fourth proportional to 252,490.50, 348,444.18 and 139,320.54 is: 192,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,490.50 : 348,444.18 = 139,320.54 : x
  2. Step 2: Convert to fraction form
    252,490.50/348,444.18 = 139,320.54/x
  3. Step 3: Cross multiply
    252,490.50x = 348,444.18 × 139,320.54
  4. Step 4: Simplify right side
    252,490.50x = 48,545,431,317.46
  5. Step 5: Solve for x
    x = 48,545,431,317.46/252,490.50
  6. Step 6: Final answer
    x = 192,266.37

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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.