Home / 161,272.91-222,562.35-88,681.34

Finding the Fourth Proportional to 161,272.91, 222,562.35 and 88,681.34

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Solution

The fourth proportional to 161,272.91, 222,562.35 and 88,681.34 is: 122,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,272.91 : 222,562.35 = 88,681.34 : x
  2. Step 2: Convert to fraction form
    161,272.91/222,562.35 = 88,681.34/x
  3. Step 3: Cross multiply
    161,272.91x = 222,562.35 × 88,681.34
  4. Step 4: Simplify right side
    161,272.91x = 19,737,127,987.95
  5. Step 5: Solve for x
    x = 19,737,127,987.95/161,272.91
  6. Step 6: Final answer
    x = 122,383.40

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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.