Home / 261,078.90-360,288.46-159,104.76

Finding the Fourth Proportional to 261,078.90, 360,288.46 and 159,104.76

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Solution

The fourth proportional to 261,078.90, 360,288.46 and 159,104.76 is: 219,564.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,078.90 : 360,288.46 = 159,104.76 : x
  2. Step 2: Convert to fraction form
    261,078.90/360,288.46 = 159,104.76/x
  3. Step 3: Cross multiply
    261,078.90x = 360,288.46 × 159,104.76
  4. Step 4: Simplify right side
    261,078.90x = 57,323,606,911.90
  5. Step 5: Solve for x
    x = 57,323,606,911.90/261,078.90
  6. Step 6: Final answer
    x = 219,564.31

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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.