Home / 261,878.96-361,403.40-148,712.24

Finding the Fourth Proportional to 261,878.96, 361,403.40 and 148,712.24

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Solution

The fourth proportional to 261,878.96, 361,403.40 and 148,712.24 is: 205,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,878.96 : 361,403.40 = 148,712.24 : x
  2. Step 2: Convert to fraction form
    261,878.96/361,403.40 = 148,712.24/x
  3. Step 3: Cross multiply
    261,878.96x = 361,403.40 × 148,712.24
  4. Step 4: Simplify right side
    261,878.96x = 53,745,109,157.62
  5. Step 5: Solve for x
    x = 53,745,109,157.62/261,878.96
  6. Step 6: Final answer
    x = 205,228.82

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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.