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Finding the Fourth Proportional to 146,700.60, 220,050.90 and 35,892.60

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Solution

The fourth proportional to 146,700.60, 220,050.90 and 35,892.60 is: 53,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,700.60 : 220,050.90 = 35,892.60 : x
  2. Step 2: Convert to fraction form
    146,700.60/220,050.90 = 35,892.60/x
  3. Step 3: Cross multiply
    146,700.60x = 220,050.90 × 35,892.60
  4. Step 4: Simplify right side
    146,700.60x = 7,898,198,933.34
  5. Step 5: Solve for x
    x = 7,898,198,933.34/146,700.60
  6. Step 6: Final answer
    x = 53,838.90

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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.