Home / 252,412.38-348,325.65-137,692.08

Finding the Fourth Proportional to 252,412.38, 348,325.65 and 137,692.08

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Solution

The fourth proportional to 252,412.38, 348,325.65 and 137,692.08 is: 190,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,412.38 : 348,325.65 = 137,692.08 : x
  2. Step 2: Convert to fraction form
    252,412.38/348,325.65 = 137,692.08/x
  3. Step 3: Cross multiply
    252,412.38x = 348,325.65 × 137,692.08
  4. Step 4: Simplify right side
    252,412.38x = 47,961,683,265.85
  5. Step 5: Solve for x
    x = 47,961,683,265.85/252,412.38
  6. Step 6: Final answer
    x = 190,013.20

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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.