Home / 252,830.59-348,892.85-138,107.57

Finding the Fourth Proportional to 252,830.59, 348,892.85 and 138,107.57

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Solution

The fourth proportional to 252,830.59, 348,892.85 and 138,107.57 is: 190,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,830.59 : 348,892.85 = 138,107.57 : x
  2. Step 2: Convert to fraction form
    252,830.59/348,892.85 = 138,107.57/x
  3. Step 3: Cross multiply
    252,830.59x = 348,892.85 × 138,107.57
  4. Step 4: Simplify right side
    252,830.59x = 48,184,742,304.68
  5. Step 5: Solve for x
    x = 48,184,742,304.68/252,830.59
  6. Step 6: Final answer
    x = 190,581.14

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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.