Home / 133,234.92-183,657.06-90,720.36

Finding the Fourth Proportional to 133,234.92, 183,657.06 and 90,720.36

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Solution

The fourth proportional to 133,234.92, 183,657.06 and 90,720.36 is: 125,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,234.92 : 183,657.06 = 90,720.36 : x
  2. Step 2: Convert to fraction form
    133,234.92/183,657.06 = 90,720.36/x
  3. Step 3: Cross multiply
    133,234.92x = 183,657.06 × 90,720.36
  4. Step 4: Simplify right side
    133,234.92x = 16,661,434,599.74
  5. Step 5: Solve for x
    x = 16,661,434,599.74/133,234.92
  6. Step 6: Final answer
    x = 125,053.06

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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.