Home / 161,267.18-222,538.95-89,644.70

Finding the Fourth Proportional to 161,267.18, 222,538.95 and 89,644.70

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Solution

The fourth proportional to 161,267.18, 222,538.95 and 89,644.70 is: 123,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,267.18 : 222,538.95 = 89,644.70 : x
  2. Step 2: Convert to fraction form
    161,267.18/222,538.95 = 89,644.70/x
  3. Step 3: Cross multiply
    161,267.18x = 222,538.95 × 89,644.70
  4. Step 4: Simplify right side
    161,267.18x = 19,949,437,411.07
  5. Step 5: Solve for x
    x = 19,949,437,411.07/161,267.18
  6. Step 6: Final answer
    x = 123,704.26

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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.