Home / 104,023.86-143,552.55-56,277.22

Finding the Fourth Proportional to 104,023.86, 143,552.55 and 56,277.22

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Solution

The fourth proportional to 104,023.86, 143,552.55 and 56,277.22 is: 77,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,023.86 : 143,552.55 = 56,277.22 : x
  2. Step 2: Convert to fraction form
    104,023.86/143,552.55 = 56,277.22/x
  3. Step 3: Cross multiply
    104,023.86x = 143,552.55 × 56,277.22
  4. Step 4: Simplify right side
    104,023.86x = 8,078,737,720.15
  5. Step 5: Solve for x
    x = 8,078,737,720.15/104,023.86
  6. Step 6: Final answer
    x = 77,662.36

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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.