Home / 119,939.60-179,621.40-64,413.20

Finding the Fourth Proportional to 119,939.60, 179,621.40 and 64,413.20

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Solution

The fourth proportional to 119,939.60, 179,621.40 and 64,413.20 is: 96,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,939.60 : 179,621.40 = 64,413.20 : x
  2. Step 2: Convert to fraction form
    119,939.60/179,621.40 = 64,413.20/x
  3. Step 3: Cross multiply
    119,939.60x = 179,621.40 × 64,413.20
  4. Step 4: Simplify right side
    119,939.60x = 11,569,989,162.48
  5. Step 5: Solve for x
    x = 11,569,989,162.48/119,939.60
  6. Step 6: Final answer
    x = 96,465.13

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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.