Home / 133,164.24-183,553.20-90,130.16

Finding the Fourth Proportional to 133,164.24, 183,553.20 and 90,130.16

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Solution

The fourth proportional to 133,164.24, 183,553.20 and 90,130.16 is: 124,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,164.24 : 183,553.20 = 90,130.16 : x
  2. Step 2: Convert to fraction form
    133,164.24/183,553.20 = 90,130.16/x
  3. Step 3: Cross multiply
    133,164.24x = 183,553.20 × 90,130.16
  4. Step 4: Simplify right side
    133,164.24x = 16,543,678,366.75
  5. Step 5: Solve for x
    x = 16,543,678,366.75/133,164.24
  6. Step 6: Final answer
    x = 124,235.14

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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.