Home / 146,639.25-202,362.17-79,571.25

Finding the Fourth Proportional to 146,639.25, 202,362.17 and 79,571.25

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Solution

The fourth proportional to 146,639.25, 202,362.17 and 79,571.25 is: 109,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,639.25 : 202,362.17 = 79,571.25 : x
  2. Step 2: Convert to fraction form
    146,639.25/202,362.17 = 79,571.25/x
  3. Step 3: Cross multiply
    146,639.25x = 202,362.17 × 79,571.25
  4. Step 4: Simplify right side
    146,639.25x = 16,102,210,421.76
  5. Step 5: Solve for x
    x = 16,102,210,421.76/146,639.25
  6. Step 6: Final answer
    x = 109,808.33

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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.