Home / 77,277.11-107,187.98-75,228.62

Finding the Fourth Proportional to 77,277.11, 107,187.98 and 75,228.62

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Solution

The fourth proportional to 77,277.11, 107,187.98 and 75,228.62 is: 104,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,277.11 : 107,187.98 = 75,228.62 : x
  2. Step 2: Convert to fraction form
    77,277.11/107,187.98 = 75,228.62/x
  3. Step 3: Cross multiply
    77,277.11x = 107,187.98 × 75,228.62
  4. Step 4: Simplify right side
    77,277.11x = 8,063,602,903.90
  5. Step 5: Solve for x
    x = 8,063,602,903.90/77,277.11
  6. Step 6: Final answer
    x = 104,346.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.