Home / 173,438.40-259,999.84-66,754.30

Finding the Fourth Proportional to 173,438.40, 259,999.84 and 66,754.30

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Solution

The fourth proportional to 173,438.40, 259,999.84 and 66,754.30 is: 100,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,438.40 : 259,999.84 = 66,754.30 : x
  2. Step 2: Convert to fraction form
    173,438.40/259,999.84 = 66,754.30/x
  3. Step 3: Cross multiply
    173,438.40x = 259,999.84 × 66,754.30
  4. Step 4: Simplify right side
    173,438.40x = 17,356,107,319.31
  5. Step 5: Solve for x
    x = 17,356,107,319.31/173,438.40
  6. Step 6: Final answer
    x = 100,070.73

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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.