Home / 180,720.50-249,387.60-104,242.76

Finding the Fourth Proportional to 180,720.50, 249,387.60 and 104,242.76

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Solution

The fourth proportional to 180,720.50, 249,387.60 and 104,242.76 is: 143,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,720.50 : 249,387.60 = 104,242.76 : x
  2. Step 2: Convert to fraction form
    180,720.50/249,387.60 = 104,242.76/x
  3. Step 3: Cross multiply
    180,720.50x = 249,387.60 × 104,242.76
  4. Step 4: Simplify right side
    180,720.50x = 25,996,851,733.78
  5. Step 5: Solve for x
    x = 25,996,851,733.78/180,720.50
  6. Step 6: Final answer
    x = 143,851.15

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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.