Home / 255,837.12-353,057.52-141,120.20

Finding the Fourth Proportional to 255,837.12, 353,057.52 and 141,120.20

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Solution

The fourth proportional to 255,837.12, 353,057.52 and 141,120.20 is: 194,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,837.12 : 353,057.52 = 141,120.20 : x
  2. Step 2: Convert to fraction form
    255,837.12/353,057.52 = 141,120.20/x
  3. Step 3: Cross multiply
    255,837.12x = 353,057.52 × 141,120.20
  4. Step 4: Simplify right side
    255,837.12x = 49,823,547,833.90
  5. Step 5: Solve for x
    x = 49,823,547,833.90/255,837.12
  6. Step 6: Final answer
    x = 194,747.14

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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.