Home / 77,216.46-115,635.96-69,736.92

Finding the Fourth Proportional to 77,216.46, 115,635.96 and 69,736.92

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Solution

The fourth proportional to 77,216.46, 115,635.96 and 69,736.92 is: 104,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,216.46 : 115,635.96 = 69,736.92 : x
  2. Step 2: Convert to fraction form
    77,216.46/115,635.96 = 69,736.92/x
  3. Step 3: Cross multiply
    77,216.46x = 115,635.96 × 69,736.92
  4. Step 4: Simplify right side
    77,216.46x = 8,064,095,691.64
  5. Step 5: Solve for x
    x = 8,064,095,691.64/77,216.46
  6. Step 6: Final answer
    x = 104,434.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.