Home / 180,985.40-249,766.53-109,351.59

Finding the Fourth Proportional to 180,985.40, 249,766.53 and 109,351.59

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Solution

The fourth proportional to 180,985.40, 249,766.53 and 109,351.59 is: 150,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,985.40 : 249,766.53 = 109,351.59 : x
  2. Step 2: Convert to fraction form
    180,985.40/249,766.53 = 109,351.59/x
  3. Step 3: Cross multiply
    180,985.40x = 249,766.53 × 109,351.59
  4. Step 4: Simplify right side
    180,985.40x = 27,312,367,184.28
  5. Step 5: Solve for x
    x = 27,312,367,184.28/180,985.40
  6. Step 6: Final answer
    x = 150,909.23

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1.5x scale

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.