Home / 115,553.80-173,330.70-100,001.80

Finding the Fourth Proportional to 115,553.80, 173,330.70 and 100,001.80

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Solution

The fourth proportional to 115,553.80, 173,330.70 and 100,001.80 is: 150,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,553.80 : 173,330.70 = 100,001.80 : x
  2. Step 2: Convert to fraction form
    115,553.80/173,330.70 = 100,001.80/x
  3. Step 3: Cross multiply
    115,553.80x = 173,330.70 × 100,001.80
  4. Step 4: Simplify right side
    115,553.80x = 17,333,381,995.26
  5. Step 5: Solve for x
    x = 17,333,381,995.26/115,553.80
  6. Step 6: Final answer
    x = 150,002.70

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1.5x scale

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.