Home / 90,698.46-136,118.54-62,813.94

Finding the Fourth Proportional to 90,698.46, 136,118.54 and 62,813.94

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Solution

The fourth proportional to 90,698.46, 136,118.54 and 62,813.94 is: 94,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,698.46 : 136,118.54 = 62,813.94 : x
  2. Step 2: Convert to fraction form
    90,698.46/136,118.54 = 62,813.94/x
  3. Step 3: Cross multiply
    90,698.46x = 136,118.54 × 62,813.94
  4. Step 4: Simplify right side
    90,698.46x = 8,550,141,490.38
  5. Step 5: Solve for x
    x = 8,550,141,490.38/90,698.46
  6. Step 6: Final answer
    x = 94,269.97

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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.