Home / 115,728.40-173,647.19-40,883.79

Finding the Fourth Proportional to 115,728.40, 173,647.19 and 40,883.79

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Solution

The fourth proportional to 115,728.40, 173,647.19 and 40,883.79 is: 61,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,728.40 : 173,647.19 = 40,883.79 : x
  2. Step 2: Convert to fraction form
    115,728.40/173,647.19 = 40,883.79/x
  3. Step 3: Cross multiply
    115,728.40x = 173,647.19 × 40,883.79
  4. Step 4: Simplify right side
    115,728.40x = 7,099,355,045.63
  5. Step 5: Solve for x
    x = 7,099,355,045.63/115,728.40
  6. Step 6: Final answer
    x = 61,344.97

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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.