Home / 146,737.60-219,847.20-130,148.80

Finding the Fourth Proportional to 146,737.60, 219,847.20 and 130,148.80

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Solution

The fourth proportional to 146,737.60, 219,847.20 and 130,148.80 is: 194,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,737.60 : 219,847.20 = 130,148.80 : x
  2. Step 2: Convert to fraction form
    146,737.60/219,847.20 = 130,148.80/x
  3. Step 3: Cross multiply
    146,737.60x = 219,847.20 × 130,148.80
  4. Step 4: Simplify right side
    146,737.60x = 28,612,849,263.36
  5. Step 5: Solve for x
    x = 28,612,849,263.36/146,737.60
  6. Step 6: Final answer
    x = 194,993.30

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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.