Home / 115,938.35-173,681.06-79,908.36

Finding the Fourth Proportional to 115,938.35, 173,681.06 and 79,908.36

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Solution

The fourth proportional to 115,938.35, 173,681.06 and 79,908.36 is: 119,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,938.35 : 173,681.06 = 79,908.36 : x
  2. Step 2: Convert to fraction form
    115,938.35/173,681.06 = 79,908.36/x
  3. Step 3: Cross multiply
    115,938.35x = 173,681.06 × 79,908.36
  4. Step 4: Simplify right side
    115,938.35x = 13,878,568,268.12
  5. Step 5: Solve for x
    x = 13,878,568,268.12/115,938.35
  6. Step 6: Final answer
    x = 119,706.45

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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.