Home / 152,746.76-229,028.11-68,491.68

Finding the Fourth Proportional to 152,746.76, 229,028.11 and 68,491.68

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Solution

The fourth proportional to 152,746.76, 229,028.11 and 68,491.68 is: 102,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,746.76 : 229,028.11 = 68,491.68 : x
  2. Step 2: Convert to fraction form
    152,746.76/229,028.11 = 68,491.68/x
  3. Step 3: Cross multiply
    152,746.76x = 229,028.11 × 68,491.68
  4. Step 4: Simplify right side
    152,746.76x = 15,686,518,991.04
  5. Step 5: Solve for x
    x = 15,686,518,991.04/152,746.76
  6. Step 6: Final answer
    x = 102,696.25

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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.