Home / 130,413.60-195,562.80-60,314.40

Finding the Fourth Proportional to 130,413.60, 195,562.80 and 60,314.40

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Solution

The fourth proportional to 130,413.60, 195,562.80 and 60,314.40 is: 90,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,413.60 : 195,562.80 = 60,314.40 : x
  2. Step 2: Convert to fraction form
    130,413.60/195,562.80 = 60,314.40/x
  3. Step 3: Cross multiply
    130,413.60x = 195,562.80 × 60,314.40
  4. Step 4: Simplify right side
    130,413.60x = 11,795,252,944.32
  5. Step 5: Solve for x
    x = 11,795,252,944.32/130,413.60
  6. Step 6: Final answer
    x = 90,444.96

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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.