Home / 154,236.87-212,849.73-93,810.06

Finding the Fourth Proportional to 154,236.87, 212,849.73 and 93,810.06

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Solution

The fourth proportional to 154,236.87, 212,849.73 and 93,810.06 is: 129,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,236.87 : 212,849.73 = 93,810.06 : x
  2. Step 2: Convert to fraction form
    154,236.87/212,849.73 = 93,810.06/x
  3. Step 3: Cross multiply
    154,236.87x = 212,849.73 × 93,810.06
  4. Step 4: Simplify right side
    154,236.87x = 19,967,445,942.28
  5. Step 5: Solve for x
    x = 19,967,445,942.28/154,236.87
  6. Step 6: Final answer
    x = 129,459.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.