Home / 123,746.51-170,769.19-67,157.89

Finding the Fourth Proportional to 123,746.51, 170,769.19 and 67,157.89

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Solution

The fourth proportional to 123,746.51, 170,769.19 and 67,157.89 is: 92,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,746.51 : 170,769.19 = 67,157.89 : x
  2. Step 2: Convert to fraction form
    123,746.51/170,769.19 = 67,157.89/x
  3. Step 3: Cross multiply
    123,746.51x = 170,769.19 × 67,157.89
  4. Step 4: Simplify right side
    123,746.51x = 11,468,498,477.41
  5. Step 5: Solve for x
    x = 11,468,498,477.41/123,746.51
  6. Step 6: Final answer
    x = 92,677.35

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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.