Home / 115,185.08-158,968.35-64,202.47

Finding the Fourth Proportional to 115,185.08, 158,968.35 and 64,202.47

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Solution

The fourth proportional to 115,185.08, 158,968.35 and 64,202.47 is: 88,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,185.08 : 158,968.35 = 64,202.47 : x
  2. Step 2: Convert to fraction form
    115,185.08/158,968.35 = 64,202.47/x
  3. Step 3: Cross multiply
    115,185.08x = 158,968.35 × 64,202.47
  4. Step 4: Simplify right side
    115,185.08x = 10,206,160,324.40
  5. Step 5: Solve for x
    x = 10,206,160,324.40/115,185.08
  6. Step 6: Final answer
    x = 88,606.62

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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.