Home / 209,780.48-314,769.14-104,607.65

Finding the Fourth Proportional to 209,780.48, 314,769.14 and 104,607.65

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Solution

The fourth proportional to 209,780.48, 314,769.14 and 104,607.65 is: 156,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,780.48 : 314,769.14 = 104,607.65 : x
  2. Step 2: Convert to fraction form
    209,780.48/314,769.14 = 104,607.65/x
  3. Step 3: Cross multiply
    209,780.48x = 314,769.14 × 104,607.65
  4. Step 4: Simplify right side
    209,780.48x = 32,927,260,684.08
  5. Step 5: Solve for x
    x = 32,927,260,684.08/209,780.48
  6. Step 6: Final answer
    x = 156,960.55

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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.