Home / 123,469.04-170,390.50-75,054.36

Finding the Fourth Proportional to 123,469.04, 170,390.50 and 75,054.36

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Solution

The fourth proportional to 123,469.04, 170,390.50 and 75,054.36 is: 103,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,469.04 : 170,390.50 = 75,054.36 : x
  2. Step 2: Convert to fraction form
    123,469.04/170,390.50 = 75,054.36/x
  3. Step 3: Cross multiply
    123,469.04x = 170,390.50 × 75,054.36
  4. Step 4: Simplify right side
    123,469.04x = 12,788,549,927.58
  5. Step 5: Solve for x
    x = 12,788,549,927.58/123,469.04
  6. Step 6: Final answer
    x = 103,576.98

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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.