Home / 180,985.13-249,766.15-109,351.31

Finding the Fourth Proportional to 180,985.13, 249,766.15 and 109,351.31

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Solution

The fourth proportional to 180,985.13, 249,766.15 and 109,351.31 is: 150,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,985.13 : 249,766.15 = 109,351.31 : x
  2. Step 2: Convert to fraction form
    180,985.13/249,766.15 = 109,351.31/x
  3. Step 3: Cross multiply
    180,985.13x = 249,766.15 × 109,351.31
  4. Step 4: Simplify right side
    180,985.13x = 27,312,254,173.95
  5. Step 5: Solve for x
    x = 27,312,254,173.95/180,985.13
  6. Step 6: Final answer
    x = 150,908.83

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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.