Home / 99,291.09-148,889.84-36,066.64

Finding the Fourth Proportional to 99,291.09, 148,889.84 and 36,066.64

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Solution

The fourth proportional to 99,291.09, 148,889.84 and 36,066.64 is: 54,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,291.09 : 148,889.84 = 36,066.64 : x
  2. Step 2: Convert to fraction form
    99,291.09/148,889.84 = 36,066.64/x
  3. Step 3: Cross multiply
    99,291.09x = 148,889.84 × 36,066.64
  4. Step 4: Simplify right side
    99,291.09x = 5,369,955,334.16
  5. Step 5: Solve for x
    x = 5,369,955,334.16/99,291.09
  6. Step 6: Final answer
    x = 54,082.96

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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.