Home / 245,422.40-367,939.20-105,065.60

Finding the Fourth Proportional to 245,422.40, 367,939.20 and 105,065.60

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Solution

The fourth proportional to 245,422.40, 367,939.20 and 105,065.60 is: 157,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,422.40 : 367,939.20 = 105,065.60 : x
  2. Step 2: Convert to fraction form
    245,422.40/367,939.20 = 105,065.60/x
  3. Step 3: Cross multiply
    245,422.40x = 367,939.20 × 105,065.60
  4. Step 4: Simplify right side
    245,422.40x = 38,657,752,811.52
  5. Step 5: Solve for x
    x = 38,657,752,811.52/245,422.40
  6. Step 6: Final answer
    x = 157,515.18

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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.