Home / 103,805.05-143,250.96-56,058.39

Finding the Fourth Proportional to 103,805.05, 143,250.96 and 56,058.39

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Solution

The fourth proportional to 103,805.05, 143,250.96 and 56,058.39 is: 77,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,805.05 : 143,250.96 = 56,058.39 : x
  2. Step 2: Convert to fraction form
    103,805.05/143,250.96 = 56,058.39/x
  3. Step 3: Cross multiply
    103,805.05x = 143,250.96 × 56,058.39
  4. Step 4: Simplify right side
    103,805.05x = 8,030,418,183.55
  5. Step 5: Solve for x
    x = 8,030,418,183.55/103,805.05
  6. Step 6: Final answer
    x = 77,360.58

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1.5x scale

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.