Home / 261,749.40-361,215.90-148,574.04

Finding the Fourth Proportional to 261,749.40, 361,215.90 and 148,574.04

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Solution

The fourth proportional to 261,749.40, 361,215.90 and 148,574.04 is: 205,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,749.40 : 361,215.90 = 148,574.04 : x
  2. Step 2: Convert to fraction form
    261,749.40/361,215.90 = 148,574.04/x
  3. Step 3: Cross multiply
    261,749.40x = 361,215.90 × 148,574.04
  4. Step 4: Simplify right side
    261,749.40x = 53,667,305,575.24
  5. Step 5: Solve for x
    x = 53,667,305,575.24/261,749.40
  6. Step 6: Final answer
    x = 205,033.16

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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.