Home / 160,962.06-222,117.21-89,342.10

Finding the Fourth Proportional to 160,962.06, 222,117.21 and 89,342.10

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Solution

The fourth proportional to 160,962.06, 222,117.21 and 89,342.10 is: 123,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,962.06 : 222,117.21 = 89,342.10 : x
  2. Step 2: Convert to fraction form
    160,962.06/222,117.21 = 89,342.10/x
  3. Step 3: Cross multiply
    160,962.06x = 222,117.21 × 89,342.10
  4. Step 4: Simplify right side
    160,962.06x = 19,844,417,987.54
  5. Step 5: Solve for x
    x = 19,844,417,987.54/160,962.06
  6. Step 6: Final answer
    x = 123,286.31

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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.