Home / 146,775.40-220,163.10-102,452.20

Finding the Fourth Proportional to 146,775.40, 220,163.10 and 102,452.20

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Solution

The fourth proportional to 146,775.40, 220,163.10 and 102,452.20 is: 153,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,775.40 : 220,163.10 = 102,452.20 : x
  2. Step 2: Convert to fraction form
    146,775.40/220,163.10 = 102,452.20/x
  3. Step 3: Cross multiply
    146,775.40x = 220,163.10 × 102,452.20
  4. Step 4: Simplify right side
    146,775.40x = 22,556,193,953.82
  5. Step 5: Solve for x
    x = 22,556,193,953.82/146,775.40
  6. Step 6: Final answer
    x = 153,678.30

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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.