Home / 180,447.16-249,079.29-103,996.78

Finding the Fourth Proportional to 180,447.16, 249,079.29 and 103,996.78

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Solution

The fourth proportional to 180,447.16, 249,079.29 and 103,996.78 is: 143,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,447.16 : 249,079.29 = 103,996.78 : x
  2. Step 2: Convert to fraction form
    180,447.16/249,079.29 = 103,996.78/x
  3. Step 3: Cross multiply
    180,447.16x = 249,079.29 × 103,996.78
  4. Step 4: Simplify right side
    180,447.16x = 25,903,443,989.47
  5. Step 5: Solve for x
    x = 25,903,443,989.47/180,447.16
  6. Step 6: Final answer
    x = 143,551.41

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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.