Home / 123,416.19-170,304.93-69,706.71

Finding the Fourth Proportional to 123,416.19, 170,304.93 and 69,706.71

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Solution

The fourth proportional to 123,416.19, 170,304.93 and 69,706.71 is: 96,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,416.19 : 170,304.93 = 69,706.71 : x
  2. Step 2: Convert to fraction form
    123,416.19/170,304.93 = 69,706.71/x
  3. Step 3: Cross multiply
    123,416.19x = 170,304.93 × 69,706.71
  4. Step 4: Simplify right side
    123,416.19x = 11,871,396,367.08
  5. Step 5: Solve for x
    x = 11,871,396,367.08/123,416.19
  6. Step 6: Final answer
    x = 96,189.94

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1.5x scale

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.