Home / 130,261.20-195,413.40-55,417.20

Finding the Fourth Proportional to 130,261.20, 195,413.40 and 55,417.20

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Solution

The fourth proportional to 130,261.20, 195,413.40 and 55,417.20 is: 83,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,261.20 : 195,413.40 = 55,417.20 : x
  2. Step 2: Convert to fraction form
    130,261.20/195,413.40 = 55,417.20/x
  3. Step 3: Cross multiply
    130,261.20x = 195,413.40 × 55,417.20
  4. Step 4: Simplify right side
    130,261.20x = 10,829,263,470.48
  5. Step 5: Solve for x
    x = 10,829,263,470.48/130,261.20
  6. Step 6: Final answer
    x = 83,134.99

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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.