Home / 103,805.08-143,251.01-56,058.43

Finding the Fourth Proportional to 103,805.08, 143,251.01 and 56,058.43

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Solution

The fourth proportional to 103,805.08, 143,251.01 and 56,058.43 is: 77,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,805.08 : 143,251.01 = 56,058.43 : x
  2. Step 2: Convert to fraction form
    103,805.08/143,251.01 = 56,058.43/x
  3. Step 3: Cross multiply
    103,805.08x = 143,251.01 × 56,058.43
  4. Step 4: Simplify right side
    103,805.08x = 8,030,426,716.51
  5. Step 5: Solve for x
    x = 8,030,426,716.51/103,805.08
  6. Step 6: Final answer
    x = 77,360.63

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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.