Home / 161,271.87-222,560.90-88,680.27

Finding the Fourth Proportional to 161,271.87, 222,560.90 and 88,680.27

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Solution

The fourth proportional to 161,271.87, 222,560.90 and 88,680.27 is: 122,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,271.87 : 222,560.90 = 88,680.27 : x
  2. Step 2: Convert to fraction form
    161,271.87/222,560.90 = 88,680.27/x
  3. Step 3: Cross multiply
    161,271.87x = 222,560.90 × 88,680.27
  4. Step 4: Simplify right side
    161,271.87x = 19,736,761,427.20
  5. Step 5: Solve for x
    x = 19,736,761,427.20/161,271.87
  6. Step 6: Final answer
    x = 122,381.92

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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.