Home / 281,500.06-422,191.76-103,885.70

Finding the Fourth Proportional to 281,500.06, 422,191.76 and 103,885.70

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Solution

The fourth proportional to 281,500.06, 422,191.76 and 103,885.70 is: 155,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,500.06 : 422,191.76 = 103,885.70 : x
  2. Step 2: Convert to fraction form
    281,500.06/422,191.76 = 103,885.70/x
  3. Step 3: Cross multiply
    281,500.06x = 422,191.76 × 103,885.70
  4. Step 4: Simplify right side
    281,500.06x = 43,859,686,521.83
  5. Step 5: Solve for x
    x = 43,859,686,521.83/281,500.06
  6. Step 6: Final answer
    x = 155,807.02

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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.