Home / 180,700.03-249,366.50-100,126.90

Finding the Fourth Proportional to 180,700.03, 249,366.50 and 100,126.90

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Solution

The fourth proportional to 180,700.03, 249,366.50 and 100,126.90 is: 138,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,700.03 : 249,366.50 = 100,126.90 : x
  2. Step 2: Convert to fraction form
    180,700.03/249,366.50 = 100,126.90/x
  3. Step 3: Cross multiply
    180,700.03x = 249,366.50 × 100,126.90
  4. Step 4: Simplify right side
    180,700.03x = 24,968,294,608.85
  5. Step 5: Solve for x
    x = 24,968,294,608.85/180,700.03
  6. Step 6: Final answer
    x = 138,175.38

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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.