Home / 173,439.40-260,001.34-66,755.30

Finding the Fourth Proportional to 173,439.40, 260,001.34 and 66,755.30

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Solution

The fourth proportional to 173,439.40, 260,001.34 and 66,755.30 is: 100,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,439.40 : 260,001.34 = 66,755.30 : x
  2. Step 2: Convert to fraction form
    173,439.40/260,001.34 = 66,755.30/x
  3. Step 3: Cross multiply
    173,439.40x = 260,001.34 × 66,755.30
  4. Step 4: Simplify right side
    173,439.40x = 17,356,467,452.10
  5. Step 5: Solve for x
    x = 17,356,467,452.10/173,439.40
  6. Step 6: Final answer
    x = 100,072.23

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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.