Home / 252,574.12-348,542.10-139,395.40

Finding the Fourth Proportional to 252,574.12, 348,542.10 and 139,395.40

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Solution

The fourth proportional to 252,574.12, 348,542.10 and 139,395.40 is: 192,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,574.12 : 348,542.10 = 139,395.40 : x
  2. Step 2: Convert to fraction form
    252,574.12/348,542.10 = 139,395.40/x
  3. Step 3: Cross multiply
    252,574.12x = 348,542.10 × 139,395.40
  4. Step 4: Simplify right side
    252,574.12x = 48,585,165,446.34
  5. Step 5: Solve for x
    x = 48,585,165,446.34/252,574.12
  6. Step 6: Final answer
    x = 192,360.03

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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.