Home / 147,357.90-220,704.51-103,181.87

Finding the Fourth Proportional to 147,357.90, 220,704.51 and 103,181.87

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Solution

The fourth proportional to 147,357.90, 220,704.51 and 103,181.87 is: 154,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,357.90 : 220,704.51 = 103,181.87 : x
  2. Step 2: Convert to fraction form
    147,357.90/220,704.51 = 103,181.87/x
  3. Step 3: Cross multiply
    147,357.90x = 220,704.51 × 103,181.87
  4. Step 4: Simplify right side
    147,357.90x = 22,772,704,059.23
  5. Step 5: Solve for x
    x = 22,772,704,059.23/147,357.90
  6. Step 6: Final answer
    x = 154,540.10

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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.