Home / 119,909.16-165,419.82-69,579

Finding the Fourth Proportional to 119,909.16, 165,419.82 and 69,579

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Solution

The fourth proportional to 119,909.16, 165,419.82 and 69,579 is: 95,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,909.16 : 165,419.82 = 69,579 : x
  2. Step 2: Convert to fraction form
    119,909.16/165,419.82 = 69,579/x
  3. Step 3: Cross multiply
    119,909.16x = 165,419.82 × 69,579
  4. Step 4: Simplify right side
    119,909.16x = 11,509,745,655.78
  5. Step 5: Solve for x
    x = 11,509,745,655.78/119,909.16
  6. Step 6: Final answer
    x = 95,987.21

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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.