Home / 252,837.16-348,897.54-139,651

Finding the Fourth Proportional to 252,837.16, 348,897.54 and 139,651

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Solution

The fourth proportional to 252,837.16, 348,897.54 and 139,651 is: 192,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,837.16 : 348,897.54 = 139,651 : x
  2. Step 2: Convert to fraction form
    252,837.16/348,897.54 = 139,651/x
  3. Step 3: Cross multiply
    252,837.16x = 348,897.54 × 139,651
  4. Step 4: Simplify right side
    252,837.16x = 48,723,890,358.54
  5. Step 5: Solve for x
    x = 48,723,890,358.54/252,837.16
  6. Step 6: Final answer
    x = 192,708.58

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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.