Home / 154,802.20-231,984.60-108,000.40

Finding the Fourth Proportional to 154,802.20, 231,984.60 and 108,000.40

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Solution

The fourth proportional to 154,802.20, 231,984.60 and 108,000.40 is: 161,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,802.20 : 231,984.60 = 108,000.40 : x
  2. Step 2: Convert to fraction form
    154,802.20/231,984.60 = 108,000.40/x
  3. Step 3: Cross multiply
    154,802.20x = 231,984.60 × 108,000.40
  4. Step 4: Simplify right side
    154,802.20x = 25,054,429,593.84
  5. Step 5: Solve for x
    x = 25,054,429,593.84/154,802.20
  6. Step 6: Final answer
    x = 161,848.02

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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.