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Finding the Fourth Proportional to 164,062.61, 245,930.39 and 69,316.65

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Solution

The fourth proportional to 164,062.61, 245,930.39 and 69,316.65 is: 103,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,062.61 : 245,930.39 = 69,316.65 : x
  2. Step 2: Convert to fraction form
    164,062.61/245,930.39 = 69,316.65/x
  3. Step 3: Cross multiply
    164,062.61x = 245,930.39 × 69,316.65
  4. Step 4: Simplify right side
    164,062.61x = 17,047,070,767.99
  5. Step 5: Solve for x
    x = 17,047,070,767.99/164,062.61
  6. Step 6: Final answer
    x = 103,905.89

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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.