Home / 119,977.56-165,565.84-66,261.42

Finding the Fourth Proportional to 119,977.56, 165,565.84 and 66,261.42

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Solution

The fourth proportional to 119,977.56, 165,565.84 and 66,261.42 is: 91,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.56 : 165,565.84 = 66,261.42 : x
  2. Step 2: Convert to fraction form
    119,977.56/165,565.84 = 66,261.42/x
  3. Step 3: Cross multiply
    119,977.56x = 165,565.84 × 66,261.42
  4. Step 4: Simplify right side
    119,977.56x = 10,970,627,661.89
  5. Step 5: Solve for x
    x = 10,970,627,661.89/119,977.56
  6. Step 6: Final answer
    x = 91,439.00

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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.