Home / 92,291.04-138,448.08-36,123.90

Finding the Fourth Proportional to 92,291.04, 138,448.08 and 36,123.90

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Solution

The fourth proportional to 92,291.04, 138,448.08 and 36,123.90 is: 54,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,291.04 : 138,448.08 = 36,123.90 : x
  2. Step 2: Convert to fraction form
    92,291.04/138,448.08 = 36,123.90/x
  3. Step 3: Cross multiply
    92,291.04x = 138,448.08 × 36,123.90
  4. Step 4: Simplify right side
    92,291.04x = 5,001,284,597.11
  5. Step 5: Solve for x
    x = 5,001,284,597.11/92,291.04
  6. Step 6: Final answer
    x = 54,190.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.