Home / 151,844.68-209,349.12-104,012.56

Finding the Fourth Proportional to 151,844.68, 209,349.12 and 104,012.56

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Solution

The fourth proportional to 151,844.68, 209,349.12 and 104,012.56 is: 143,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,844.68 : 209,349.12 = 104,012.56 : x
  2. Step 2: Convert to fraction form
    151,844.68/209,349.12 = 104,012.56/x
  3. Step 3: Cross multiply
    151,844.68x = 209,349.12 × 104,012.56
  4. Step 4: Simplify right side
    151,844.68x = 21,774,937,904.95
  5. Step 5: Solve for x
    x = 21,774,937,904.95/151,844.68
  6. Step 6: Final answer
    x = 143,402.71

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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.