Home / 102,769.29-153,779.04-60,669.54

Finding the Fourth Proportional to 102,769.29, 153,779.04 and 60,669.54

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Solution

The fourth proportional to 102,769.29, 153,779.04 and 60,669.54 is: 90,782.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,769.29 : 153,779.04 = 60,669.54 : x
  2. Step 2: Convert to fraction form
    102,769.29/153,779.04 = 60,669.54/x
  3. Step 3: Cross multiply
    102,769.29x = 153,779.04 × 60,669.54
  4. Step 4: Simplify right side
    102,769.29x = 9,329,703,618.44
  5. Step 5: Solve for x
    x = 9,329,703,618.44/102,769.29
  6. Step 6: Final answer
    x = 90,782.99

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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.