Home / 146,742.60-219,854.70-130,153.80

Finding the Fourth Proportional to 146,742.60, 219,854.70 and 130,153.80

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Solution

The fourth proportional to 146,742.60, 219,854.70 and 130,153.80 is: 195,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,742.60 : 219,854.70 = 130,153.80 : x
  2. Step 2: Convert to fraction form
    146,742.60/219,854.70 = 130,153.80/x
  3. Step 3: Cross multiply
    146,742.60x = 219,854.70 × 130,153.80
  4. Step 4: Simplify right side
    146,742.60x = 28,614,924,652.86
  5. Step 5: Solve for x
    x = 28,614,924,652.86/146,742.60
  6. Step 6: Final answer
    x = 195,000.80

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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.