Home / 160,968.47-222,139.08-88,378.05

Finding the Fourth Proportional to 160,968.47, 222,139.08 and 88,378.05

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Solution

The fourth proportional to 160,968.47, 222,139.08 and 88,378.05 is: 121,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,968.47 : 222,139.08 = 88,378.05 : x
  2. Step 2: Convert to fraction form
    160,968.47/222,139.08 = 88,378.05/x
  3. Step 3: Cross multiply
    160,968.47x = 222,139.08 × 88,378.05
  4. Step 4: Simplify right side
    160,968.47x = 19,632,218,719.19
  5. Step 5: Solve for x
    x = 19,632,218,719.19/160,968.47
  6. Step 6: Final answer
    x = 121,963.14

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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.