Home / 234,127.30-351,155.31-76,355.50

Finding the Fourth Proportional to 234,127.30, 351,155.31 and 76,355.50

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Solution

The fourth proportional to 234,127.30, 351,155.31 and 76,355.50 is: 114,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,127.30 : 351,155.31 = 76,355.50 : x
  2. Step 2: Convert to fraction form
    234,127.30/351,155.31 = 76,355.50/x
  3. Step 3: Cross multiply
    234,127.30x = 351,155.31 × 76,355.50
  4. Step 4: Simplify right side
    234,127.30x = 26,812,639,272.71
  5. Step 5: Solve for x
    x = 26,812,639,272.71/234,127.30
  6. Step 6: Final answer
    x = 114,521.63

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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.