Home / 189,430.28-261,413.25-104,546.74

Finding the Fourth Proportional to 189,430.28, 261,413.25 and 104,546.74

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Solution

The fourth proportional to 189,430.28, 261,413.25 and 104,546.74 is: 144,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,430.28 : 261,413.25 = 104,546.74 : x
  2. Step 2: Convert to fraction form
    189,430.28/261,413.25 = 104,546.74/x
  3. Step 3: Cross multiply
    189,430.28x = 261,413.25 × 104,546.74
  4. Step 4: Simplify right side
    189,430.28x = 27,329,901,773.24
  5. Step 5: Solve for x
    x = 27,329,901,773.24/189,430.28
  6. Step 6: Final answer
    x = 144,274.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.