Home / 180,511.38-249,102.72-99,937.17

Finding the Fourth Proportional to 180,511.38, 249,102.72 and 99,937.17

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Solution

The fourth proportional to 180,511.38, 249,102.72 and 99,937.17 is: 137,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,511.38 : 249,102.72 = 99,937.17 : x
  2. Step 2: Convert to fraction form
    180,511.38/249,102.72 = 99,937.17/x
  3. Step 3: Cross multiply
    180,511.38x = 249,102.72 × 99,937.17
  4. Step 4: Simplify right side
    180,511.38x = 24,894,620,876.10
  5. Step 5: Solve for x
    x = 24,894,620,876.10/180,511.38
  6. Step 6: Final answer
    x = 137,911.64

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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.