Home / 189,413.76-261,390.47-104,530.22

Finding the Fourth Proportional to 189,413.76, 261,390.47 and 104,530.22

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Solution

The fourth proportional to 189,413.76, 261,390.47 and 104,530.22 is: 144,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,413.76 : 261,390.47 = 104,530.22 : x
  2. Step 2: Convert to fraction form
    189,413.76/261,390.47 = 104,530.22/x
  3. Step 3: Cross multiply
    189,413.76x = 261,390.47 × 104,530.22
  4. Step 4: Simplify right side
    189,413.76x = 27,323,201,505.40
  5. Step 5: Solve for x
    x = 27,323,201,505.40/189,413.76
  6. Step 6: Final answer
    x = 144,251.41

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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.