Home / 154,940.32-232,372.21-42,615.10

Finding the Fourth Proportional to 154,940.32, 232,372.21 and 42,615.10

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Solution

The fourth proportional to 154,940.32, 232,372.21 and 42,615.10 is: 63,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,940.32 : 232,372.21 = 42,615.10 : x
  2. Step 2: Convert to fraction form
    154,940.32/232,372.21 = 42,615.10/x
  3. Step 3: Cross multiply
    154,940.32x = 232,372.21 × 42,615.10
  4. Step 4: Simplify right side
    154,940.32x = 9,902,564,966.37
  5. Step 5: Solve for x
    x = 9,902,564,966.37/154,940.32
  6. Step 6: Final answer
    x = 63,912.12

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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.