Home / 146,659.60-219,730.20-130,070.80

Finding the Fourth Proportional to 146,659.60, 219,730.20 and 130,070.80

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Solution

The fourth proportional to 146,659.60, 219,730.20 and 130,070.80 is: 194,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,659.60 : 219,730.20 = 130,070.80 : x
  2. Step 2: Convert to fraction form
    146,659.60/219,730.20 = 130,070.80/x
  3. Step 3: Cross multiply
    146,659.60x = 219,730.20 × 130,070.80
  4. Step 4: Simplify right side
    146,659.60x = 28,580,482,898.16
  5. Step 5: Solve for x
    x = 28,580,482,898.16/146,659.60
  6. Step 6: Final answer
    x = 194,876.32

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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.