Home / 143,486.24-215,196.48-42,258.11

Finding the Fourth Proportional to 143,486.24, 215,196.48 and 42,258.11

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Solution

The fourth proportional to 143,486.24, 215,196.48 and 42,258.11 is: 63,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,486.24 : 215,196.48 = 42,258.11 : x
  2. Step 2: Convert to fraction form
    143,486.24/215,196.48 = 42,258.11/x
  3. Step 3: Cross multiply
    143,486.24x = 215,196.48 × 42,258.11
  4. Step 4: Simplify right side
    143,486.24x = 9,093,795,447.47
  5. Step 5: Solve for x
    x = 9,093,795,447.47/143,486.24
  6. Step 6: Final answer
    x = 63,377.48

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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.