Home / 252,448.06-348,354.12-139,263.52

Finding the Fourth Proportional to 252,448.06, 348,354.12 and 139,263.52

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Solution

The fourth proportional to 252,448.06, 348,354.12 and 139,263.52 is: 192,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,448.06 : 348,354.12 = 139,263.52 : x
  2. Step 2: Convert to fraction form
    252,448.06/348,354.12 = 139,263.52/x
  3. Step 3: Cross multiply
    252,448.06x = 348,354.12 × 139,263.52
  4. Step 4: Simplify right side
    252,448.06x = 48,513,020,957.70
  5. Step 5: Solve for x
    x = 48,513,020,957.70/252,448.06
  6. Step 6: Final answer
    x = 192,170.31

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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.