Home / 119,802.85-165,356.74-72,046.97

Finding the Fourth Proportional to 119,802.85, 165,356.74 and 72,046.97

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Solution

The fourth proportional to 119,802.85, 165,356.74 and 72,046.97 is: 99,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,802.85 : 165,356.74 = 72,046.97 : x
  2. Step 2: Convert to fraction form
    119,802.85/165,356.74 = 72,046.97/x
  3. Step 3: Cross multiply
    119,802.85x = 165,356.74 × 72,046.97
  4. Step 4: Simplify right side
    119,802.85x = 11,913,451,969.44
  5. Step 5: Solve for x
    x = 11,913,451,969.44/119,802.85
  6. Step 6: Final answer
    x = 99,442.14

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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.