Home / 119,251.62-164,577.35-81,095.82

Finding the Fourth Proportional to 119,251.62, 164,577.35 and 81,095.82

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Solution

The fourth proportional to 119,251.62, 164,577.35 and 81,095.82 is: 111,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,251.62 : 164,577.35 = 81,095.82 : x
  2. Step 2: Convert to fraction form
    119,251.62/164,577.35 = 81,095.82/x
  3. Step 3: Cross multiply
    119,251.62x = 164,577.35 × 81,095.82
  4. Step 4: Simplify right side
    119,251.62x = 13,346,534,746.20
  5. Step 5: Solve for x
    x = 13,346,534,746.20/119,251.62
  6. Step 6: Final answer
    x = 111,919.11

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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.