Home / 133,308.88-183,776.46-90,813.04

Finding the Fourth Proportional to 133,308.88, 183,776.46 and 90,813.04

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Solution

The fourth proportional to 133,308.88, 183,776.46 and 90,813.04 is: 125,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,308.88 : 183,776.46 = 90,813.04 : x
  2. Step 2: Convert to fraction form
    133,308.88/183,776.46 = 90,813.04/x
  3. Step 3: Cross multiply
    133,308.88x = 183,776.46 × 90,813.04
  4. Step 4: Simplify right side
    133,308.88x = 16,689,299,013.04
  5. Step 5: Solve for x
    x = 16,689,299,013.04/133,308.88
  6. Step 6: Final answer
    x = 125,192.70

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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.