Home / 154,153.64-231,118.32-104,109.68

Finding the Fourth Proportional to 154,153.64, 231,118.32 and 104,109.68

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Solution

The fourth proportional to 154,153.64, 231,118.32 and 104,109.68 is: 156,088.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,153.64 : 231,118.32 = 104,109.68 : x
  2. Step 2: Convert to fraction form
    154,153.64/231,118.32 = 104,109.68/x
  3. Step 3: Cross multiply
    154,153.64x = 231,118.32 × 104,109.68
  4. Step 4: Simplify right side
    154,153.64x = 24,061,654,337.34
  5. Step 5: Solve for x
    x = 24,061,654,337.34/154,153.64
  6. Step 6: Final answer
    x = 156,088.78

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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.