Home / 234,139.57-351,316.01-99,240.55

Finding the Fourth Proportional to 234,139.57, 351,316.01 and 99,240.55

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Solution

The fourth proportional to 234,139.57, 351,316.01 and 99,240.55 is: 148,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,139.57 : 351,316.01 = 99,240.55 : x
  2. Step 2: Convert to fraction form
    234,139.57/351,316.01 = 99,240.55/x
  3. Step 3: Cross multiply
    234,139.57x = 351,316.01 × 99,240.55
  4. Step 4: Simplify right side
    234,139.57x = 34,864,794,056.21
  5. Step 5: Solve for x
    x = 34,864,794,056.21/234,139.57
  6. Step 6: Final answer
    x = 148,906.03

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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.