Home / 180,731.61-249,410.25-100,160.49

Finding the Fourth Proportional to 180,731.61, 249,410.25 and 100,160.49

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Solution

The fourth proportional to 180,731.61, 249,410.25 and 100,160.49 is: 138,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,731.61 : 249,410.25 = 100,160.49 : x
  2. Step 2: Convert to fraction form
    180,731.61/249,410.25 = 100,160.49/x
  3. Step 3: Cross multiply
    180,731.61x = 249,410.25 × 100,160.49
  4. Step 4: Simplify right side
    180,731.61x = 24,981,052,851.02
  5. Step 5: Solve for x
    x = 24,981,052,851.02/180,731.61
  6. Step 6: Final answer
    x = 138,221.82

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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.