Home / 203,870.50-281,341.02-113,240

Finding the Fourth Proportional to 203,870.50, 281,341.02 and 113,240

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Solution

The fourth proportional to 203,870.50, 281,341.02 and 113,240 is: 156,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,870.50 : 281,341.02 = 113,240 : x
  2. Step 2: Convert to fraction form
    203,870.50/281,341.02 = 113,240/x
  3. Step 3: Cross multiply
    203,870.50x = 281,341.02 × 113,240
  4. Step 4: Simplify right side
    203,870.50x = 31,859,057,104.80
  5. Step 5: Solve for x
    x = 31,859,057,104.80/203,870.50
  6. Step 6: Final answer
    x = 156,271.05

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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.