Home / 104,561.15-144,294.84-56,814.69

Finding the Fourth Proportional to 104,561.15, 144,294.84 and 56,814.69

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Solution

The fourth proportional to 104,561.15, 144,294.84 and 56,814.69 is: 78,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,561.15 : 144,294.84 = 56,814.69 : x
  2. Step 2: Convert to fraction form
    104,561.15/144,294.84 = 56,814.69/x
  3. Step 3: Cross multiply
    104,561.15x = 144,294.84 × 56,814.69
  4. Step 4: Simplify right side
    104,561.15x = 8,198,066,603.20
  5. Step 5: Solve for x
    x = 8,198,066,603.20/104,561.15
  6. Step 6: Final answer
    x = 78,404.52

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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.