Home / 261,112.12-360,331.64-146,390.20

Finding the Fourth Proportional to 261,112.12, 360,331.64 and 146,390.20

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Solution

The fourth proportional to 261,112.12, 360,331.64 and 146,390.20 is: 202,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,112.12 : 360,331.64 = 146,390.20 : x
  2. Step 2: Convert to fraction form
    261,112.12/360,331.64 = 146,390.20/x
  3. Step 3: Cross multiply
    261,112.12x = 360,331.64 × 146,390.20
  4. Step 4: Simplify right side
    261,112.12x = 52,749,020,845.93
  5. Step 5: Solve for x
    x = 52,749,020,845.93/261,112.12
  6. Step 6: Final answer
    x = 202,016.75

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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.