Home / 181,818.30-250,909.26-105,381.74

Finding the Fourth Proportional to 181,818.30, 250,909.26 and 105,381.74

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Solution

The fourth proportional to 181,818.30, 250,909.26 and 105,381.74 is: 145,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,818.30 : 250,909.26 = 105,381.74 : x
  2. Step 2: Convert to fraction form
    181,818.30/250,909.26 = 105,381.74/x
  3. Step 3: Cross multiply
    181,818.30x = 250,909.26 × 105,381.74
  4. Step 4: Simplify right side
    181,818.30x = 26,441,254,633.00
  5. Step 5: Solve for x
    x = 26,441,254,633.00/181,818.30
  6. Step 6: Final answer
    x = 145,426.80

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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.