Home / 102,628.99-141,084.32-88,235.77

Finding the Fourth Proportional to 102,628.99, 141,084.32 and 88,235.77

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Solution

The fourth proportional to 102,628.99, 141,084.32 and 88,235.77 is: 121,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,628.99 : 141,084.32 = 88,235.77 : x
  2. Step 2: Convert to fraction form
    102,628.99/141,084.32 = 88,235.77/x
  3. Step 3: Cross multiply
    102,628.99x = 141,084.32 × 88,235.77
  4. Step 4: Simplify right side
    102,628.99x = 12,448,683,610.13
  5. Step 5: Solve for x
    x = 12,448,683,610.13/102,628.99
  6. Step 6: Final answer
    x = 121,297.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.