Home / 169,623.40-254,435.10-99,581.80

Finding the Fourth Proportional to 169,623.40, 254,435.10 and 99,581.80

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Solution

The fourth proportional to 169,623.40, 254,435.10 and 99,581.80 is: 149,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,623.40 : 254,435.10 = 99,581.80 : x
  2. Step 2: Convert to fraction form
    169,623.40/254,435.10 = 99,581.80/x
  3. Step 3: Cross multiply
    169,623.40x = 254,435.10 × 99,581.80
  4. Step 4: Simplify right side
    169,623.40x = 25,337,105,241.18
  5. Step 5: Solve for x
    x = 25,337,105,241.18/169,623.40
  6. Step 6: Final answer
    x = 149,372.70

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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.