Home / 146,405.36-202,039.50-79,337.36

Finding the Fourth Proportional to 146,405.36, 202,039.50 and 79,337.36

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Solution

The fourth proportional to 146,405.36, 202,039.50 and 79,337.36 is: 109,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,405.36 : 202,039.50 = 79,337.36 : x
  2. Step 2: Convert to fraction form
    146,405.36/202,039.50 = 79,337.36/x
  3. Step 3: Cross multiply
    146,405.36x = 202,039.50 × 79,337.36
  4. Step 4: Simplify right side
    146,405.36x = 16,029,280,545.72
  5. Step 5: Solve for x
    x = 16,029,280,545.72/146,405.36
  6. Step 6: Final answer
    x = 109,485.61

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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.