Home / 155,107.96-232,663.15-84,949

Finding the Fourth Proportional to 155,107.96, 232,663.15 and 84,949

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Solution

The fourth proportional to 155,107.96, 232,663.15 and 84,949 is: 127,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,107.96 : 232,663.15 = 84,949 : x
  2. Step 2: Convert to fraction form
    155,107.96/232,663.15 = 84,949/x
  3. Step 3: Cross multiply
    155,107.96x = 232,663.15 × 84,949
  4. Step 4: Simplify right side
    155,107.96x = 19,764,501,929.35
  5. Step 5: Solve for x
    x = 19,764,501,929.35/155,107.96
  6. Step 6: Final answer
    x = 127,424.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.