Home / 90,291.04-135,446.92-52,851.42

Finding the Fourth Proportional to 90,291.04, 135,446.92 and 52,851.42

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Solution

The fourth proportional to 90,291.04, 135,446.92 and 52,851.42 is: 79,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,291.04 : 135,446.92 = 52,851.42 : x
  2. Step 2: Convert to fraction form
    90,291.04/135,446.92 = 52,851.42/x
  3. Step 3: Cross multiply
    90,291.04x = 135,446.92 × 52,851.42
  4. Step 4: Simplify right side
    90,291.04x = 7,158,561,924.50
  5. Step 5: Solve for x
    x = 7,158,561,924.50/90,291.04
  6. Step 6: Final answer
    x = 79,283.19

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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.