Home / 180,819.68-249,539.40-103,302.20

Finding the Fourth Proportional to 180,819.68, 249,539.40 and 103,302.20

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Solution

The fourth proportional to 180,819.68, 249,539.40 and 103,302.20 is: 142,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,819.68 : 249,539.40 = 103,302.20 : x
  2. Step 2: Convert to fraction form
    180,819.68/249,539.40 = 103,302.20/x
  3. Step 3: Cross multiply
    180,819.68x = 249,539.40 × 103,302.20
  4. Step 4: Simplify right side
    180,819.68x = 25,777,969,006.68
  5. Step 5: Solve for x
    x = 25,777,969,006.68/180,819.68
  6. Step 6: Final answer
    x = 142,561.74

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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.