Home / 255,432.22-383,194.80-105,591.13

Finding the Fourth Proportional to 255,432.22, 383,194.80 and 105,591.13

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Solution

The fourth proportional to 255,432.22, 383,194.80 and 105,591.13 is: 158,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,432.22 : 383,194.80 = 105,591.13 : x
  2. Step 2: Convert to fraction form
    255,432.22/383,194.80 = 105,591.13/x
  3. Step 3: Cross multiply
    255,432.22x = 383,194.80 × 105,591.13
  4. Step 4: Simplify right side
    255,432.22x = 40,461,969,498.19
  5. Step 5: Solve for x
    x = 40,461,969,498.19/255,432.22
  6. Step 6: Final answer
    x = 158,405.90

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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.