Home / 123,289.80-170,148.92-69,579.51

Finding the Fourth Proportional to 123,289.80, 170,148.92 and 69,579.51

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Solution

The fourth proportional to 123,289.80, 170,148.92 and 69,579.51 is: 96,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,289.80 : 170,148.92 = 69,579.51 : x
  2. Step 2: Convert to fraction form
    123,289.80/170,148.92 = 69,579.51/x
  3. Step 3: Cross multiply
    123,289.80x = 170,148.92 × 69,579.51
  4. Step 4: Simplify right side
    123,289.80x = 11,838,878,132.73
  5. Step 5: Solve for x
    x = 11,838,878,132.73/123,289.80
  6. Step 6: Final answer
    x = 96,024.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.