Home / 161,154.40-222,424.88-102,973.92

Finding the Fourth Proportional to 161,154.40, 222,424.88 and 102,973.92

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Solution

The fourth proportional to 161,154.40, 222,424.88 and 102,973.92 is: 142,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,154.40 : 222,424.88 = 102,973.92 : x
  2. Step 2: Convert to fraction form
    161,154.40/222,424.88 = 102,973.92/x
  3. Step 3: Cross multiply
    161,154.40x = 222,424.88 × 102,973.92
  4. Step 4: Simplify right side
    161,154.40x = 22,903,961,799.13
  5. Step 5: Solve for x
    x = 22,903,961,799.13/161,154.40
  6. Step 6: Final answer
    x = 142,124.33

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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.