Home / 180,665.73-249,360.12-120,238.92

Finding the Fourth Proportional to 180,665.73, 249,360.12 and 120,238.92

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Solution

The fourth proportional to 180,665.73, 249,360.12 and 120,238.92 is: 165,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,665.73 : 249,360.12 = 120,238.92 : x
  2. Step 2: Convert to fraction form
    180,665.73/249,360.12 = 120,238.92/x
  3. Step 3: Cross multiply
    180,665.73x = 249,360.12 × 120,238.92
  4. Step 4: Simplify right side
    180,665.73x = 29,982,791,519.87
  5. Step 5: Solve for x
    x = 29,982,791,519.87/180,665.73
  6. Step 6: Final answer
    x = 165,957.27

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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.