Home / 68,109.14-102,225.51-34,852.18

Finding the Fourth Proportional to 68,109.14, 102,225.51 and 34,852.18

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Solution

The fourth proportional to 68,109.14, 102,225.51 and 34,852.18 is: 52,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,109.14 : 102,225.51 = 34,852.18 : x
  2. Step 2: Convert to fraction form
    68,109.14/102,225.51 = 34,852.18/x
  3. Step 3: Cross multiply
    68,109.14x = 102,225.51 × 34,852.18
  4. Step 4: Simplify right side
    68,109.14x = 3,562,781,875.11
  5. Step 5: Solve for x
    x = 3,562,781,875.11/68,109.14
  6. Step 6: Final answer
    x = 52,309.89

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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.