Home / 103,833.35-143,290.08-56,086.70

Finding the Fourth Proportional to 103,833.35, 143,290.08 and 56,086.70

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Solution

The fourth proportional to 103,833.35, 143,290.08 and 56,086.70 is: 77,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,833.35 : 143,290.08 = 56,086.70 : x
  2. Step 2: Convert to fraction form
    103,833.35/143,290.08 = 56,086.70/x
  3. Step 3: Cross multiply
    103,833.35x = 143,290.08 × 56,086.70
  4. Step 4: Simplify right side
    103,833.35x = 8,036,667,736.30
  5. Step 5: Solve for x
    x = 8,036,667,736.30/103,833.35
  6. Step 6: Final answer
    x = 77,399.68

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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.