Home / 161,300.28-222,588.57-88,702.56

Finding the Fourth Proportional to 161,300.28, 222,588.57 and 88,702.56

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Solution

The fourth proportional to 161,300.28, 222,588.57 and 88,702.56 is: 122,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,300.28 : 222,588.57 = 88,702.56 : x
  2. Step 2: Convert to fraction form
    161,300.28/222,588.57 = 88,702.56/x
  3. Step 3: Cross multiply
    161,300.28x = 222,588.57 × 88,702.56
  4. Step 4: Simplify right side
    161,300.28x = 19,744,175,985.74
  5. Step 5: Solve for x
    x = 19,744,175,985.74/161,300.28
  6. Step 6: Final answer
    x = 122,406.33

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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.