Home / 189,431.40-284,003.10-96,004.20

Finding the Fourth Proportional to 189,431.40, 284,003.10 and 96,004.20

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Solution

The fourth proportional to 189,431.40, 284,003.10 and 96,004.20 is: 143,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,431.40 : 284,003.10 = 96,004.20 : x
  2. Step 2: Convert to fraction form
    189,431.40/284,003.10 = 96,004.20/x
  3. Step 3: Cross multiply
    189,431.40x = 284,003.10 × 96,004.20
  4. Step 4: Simplify right side
    189,431.40x = 27,265,490,413.02
  5. Step 5: Solve for x
    x = 27,265,490,413.02/189,431.40
  6. Step 6: Final answer
    x = 143,933.32

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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.