Home / 146,742.30-220,113.45-87,644.70

Finding the Fourth Proportional to 146,742.30, 220,113.45 and 87,644.70

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Solution

The fourth proportional to 146,742.30, 220,113.45 and 87,644.70 is: 131,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,742.30 : 220,113.45 = 87,644.70 : x
  2. Step 2: Convert to fraction form
    146,742.30/220,113.45 = 87,644.70/x
  3. Step 3: Cross multiply
    146,742.30x = 220,113.45 × 87,644.70
  4. Step 4: Simplify right side
    146,742.30x = 19,291,777,291.22
  5. Step 5: Solve for x
    x = 19,291,777,291.22/146,742.30
  6. Step 6: Final answer
    x = 131,467.05

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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.