Home / 99,033.68-148,548.77-91,319.79

Finding the Fourth Proportional to 99,033.68, 148,548.77 and 91,319.79

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Solution

The fourth proportional to 99,033.68, 148,548.77 and 91,319.79 is: 136,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,033.68 : 148,548.77 = 91,319.79 : x
  2. Step 2: Convert to fraction form
    99,033.68/148,548.77 = 91,319.79/x
  3. Step 3: Cross multiply
    99,033.68x = 148,548.77 × 91,319.79
  4. Step 4: Simplify right side
    99,033.68x = 13,565,442,481.16
  5. Step 5: Solve for x
    x = 13,565,442,481.16/99,033.68
  6. Step 6: Final answer
    x = 136,978.07

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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.