Home / 171,887.28-258,226.20-122,088.48

Finding the Fourth Proportional to 171,887.28, 258,226.20 and 122,088.48

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Solution

The fourth proportional to 171,887.28, 258,226.20 and 122,088.48 is: 183,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,887.28 : 258,226.20 = 122,088.48 : x
  2. Step 2: Convert to fraction form
    171,887.28/258,226.20 = 122,088.48/x
  3. Step 3: Cross multiply
    171,887.28x = 258,226.20 × 122,088.48
  4. Step 4: Simplify right side
    171,887.28x = 31,526,444,254.18
  5. Step 5: Solve for x
    x = 31,526,444,254.18/171,887.28
  6. Step 6: Final answer
    x = 183,413.48

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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.