Home / 180,611.11-249,247.36-103,085.20

Finding the Fourth Proportional to 180,611.11, 249,247.36 and 103,085.20

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Solution

The fourth proportional to 180,611.11, 249,247.36 and 103,085.20 is: 142,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,611.11 : 249,247.36 = 103,085.20 : x
  2. Step 2: Convert to fraction form
    180,611.11/249,247.36 = 103,085.20/x
  3. Step 3: Cross multiply
    180,611.11x = 249,247.36 × 103,085.20
  4. Step 4: Simplify right side
    180,611.11x = 25,693,713,694.48
  5. Step 5: Solve for x
    x = 25,693,713,694.48/180,611.11
  6. Step 6: Final answer
    x = 142,259.87

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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.