Home / 180,512.38-249,104.10-99,938.17

Finding the Fourth Proportional to 180,512.38, 249,104.10 and 99,938.17

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Solution

The fourth proportional to 180,512.38, 249,104.10 and 99,938.17 is: 137,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,512.38 : 249,104.10 = 99,938.17 : x
  2. Step 2: Convert to fraction form
    180,512.38/249,104.10 = 99,938.17/x
  3. Step 3: Cross multiply
    180,512.38x = 249,104.10 × 99,938.17
  4. Step 4: Simplify right side
    180,512.38x = 24,895,007,893.50
  5. Step 5: Solve for x
    x = 24,895,007,893.50/180,512.38
  6. Step 6: Final answer
    x = 137,913.02

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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.