Home / 180,621.12-249,259.14-100,049.88

Finding the Fourth Proportional to 180,621.12, 249,259.14 and 100,049.88

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Solution

The fourth proportional to 180,621.12, 249,259.14 and 100,049.88 is: 138,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,621.12 : 249,259.14 = 100,049.88 : x
  2. Step 2: Convert to fraction form
    180,621.12/249,259.14 = 100,049.88/x
  3. Step 3: Cross multiply
    180,621.12x = 249,259.14 × 100,049.88
  4. Step 4: Simplify right side
    180,621.12x = 24,938,347,045.90
  5. Step 5: Solve for x
    x = 24,938,347,045.90/180,621.12
  6. Step 6: Final answer
    x = 138,069.94

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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.