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Finding the Fourth Proportional to 159,569.60, 239,354.40 and 109,803.20

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Solution

The fourth proportional to 159,569.60, 239,354.40 and 109,803.20 is: 164,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,569.60 : 239,354.40 = 109,803.20 : x
  2. Step 2: Convert to fraction form
    159,569.60/239,354.40 = 109,803.20/x
  3. Step 3: Cross multiply
    159,569.60x = 239,354.40 × 109,803.20
  4. Step 4: Simplify right side
    159,569.60x = 26,281,879,054.08
  5. Step 5: Solve for x
    x = 26,281,879,054.08/159,569.60
  6. Step 6: Final answer
    x = 164,704.80

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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.