Home / 147,390.50-203,431.72-93,665.04

Finding the Fourth Proportional to 147,390.50, 203,431.72 and 93,665.04

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Solution

The fourth proportional to 147,390.50, 203,431.72 and 93,665.04 is: 129,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,390.50 : 203,431.72 = 93,665.04 : x
  2. Step 2: Convert to fraction form
    147,390.50/203,431.72 = 93,665.04/x
  3. Step 3: Cross multiply
    147,390.50x = 203,431.72 × 93,665.04
  4. Step 4: Simplify right side
    147,390.50x = 19,054,440,191.07
  5. Step 5: Solve for x
    x = 19,054,440,191.07/147,390.50
  6. Step 6: Final answer
    x = 129,278.62

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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.