Home / 134,444.32-185,512.60-77,844.76

Finding the Fourth Proportional to 134,444.32, 185,512.60 and 77,844.76

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Solution

The fourth proportional to 134,444.32, 185,512.60 and 77,844.76 is: 107,413.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,444.32 : 185,512.60 = 77,844.76 : x
  2. Step 2: Convert to fraction form
    134,444.32/185,512.60 = 77,844.76/x
  3. Step 3: Cross multiply
    134,444.32x = 185,512.60 × 77,844.76
  4. Step 4: Simplify right side
    134,444.32x = 14,441,183,823.98
  5. Step 5: Solve for x
    x = 14,441,183,823.98/134,444.32
  6. Step 6: Final answer
    x = 107,413.86

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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.