Home / 154,802.70-231,985.35-108,000.90

Finding the Fourth Proportional to 154,802.70, 231,985.35 and 108,000.90

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Solution

The fourth proportional to 154,802.70, 231,985.35 and 108,000.90 is: 161,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,802.70 : 231,985.35 = 108,000.90 : x
  2. Step 2: Convert to fraction form
    154,802.70/231,985.35 = 108,000.90/x
  3. Step 3: Cross multiply
    154,802.70x = 231,985.35 × 108,000.90
  4. Step 4: Simplify right side
    154,802.70x = 25,054,626,586.82
  5. Step 5: Solve for x
    x = 25,054,626,586.82/154,802.70
  6. Step 6: Final answer
    x = 161,848.77

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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.