Home / 103,944.05-143,442.80-56,197.38

Finding the Fourth Proportional to 103,944.05, 143,442.80 and 56,197.38

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Solution

The fourth proportional to 103,944.05, 143,442.80 and 56,197.38 is: 77,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,944.05 : 143,442.80 = 56,197.38 : x
  2. Step 2: Convert to fraction form
    103,944.05/143,442.80 = 56,197.38/x
  3. Step 3: Cross multiply
    103,944.05x = 143,442.80 × 56,197.38
  4. Step 4: Simplify right side
    103,944.05x = 8,061,109,539.86
  5. Step 5: Solve for x
    x = 8,061,109,539.86/103,944.05
  6. Step 6: Final answer
    x = 77,552.39

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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.