Home / 161,437-222,785.10-88,848.25

Finding the Fourth Proportional to 161,437, 222,785.10 and 88,848.25

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Solution

The fourth proportional to 161,437, 222,785.10 and 88,848.25 is: 122,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,437 : 222,785.10 = 88,848.25 : x
  2. Step 2: Convert to fraction form
    161,437/222,785.10 = 88,848.25/x
  3. Step 3: Cross multiply
    161,437x = 222,785.10 × 88,848.25
  4. Step 4: Simplify right side
    161,437x = 19,794,066,261.08
  5. Step 5: Solve for x
    x = 19,794,066,261.08/161,437
  6. Step 6: Final answer
    x = 122,611.71

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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.