Home / 256,066.08-383,833.12-106,387.80

Finding the Fourth Proportional to 256,066.08, 383,833.12 and 106,387.80

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Solution

The fourth proportional to 256,066.08, 383,833.12 and 106,387.80 is: 159,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,066.08 : 383,833.12 = 106,387.80 : x
  2. Step 2: Convert to fraction form
    256,066.08/383,833.12 = 106,387.80/x
  3. Step 3: Cross multiply
    256,066.08x = 383,833.12 × 106,387.80
  4. Step 4: Simplify right side
    256,066.08x = 40,835,161,203.94
  5. Step 5: Solve for x
    x = 40,835,161,203.94/256,066.08
  6. Step 6: Final answer
    x = 159,471.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.