Home / 146,529.68-202,200.17-81,990.36

Finding the Fourth Proportional to 146,529.68, 202,200.17 and 81,990.36

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Solution

The fourth proportional to 146,529.68, 202,200.17 and 81,990.36 is: 113,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,529.68 : 202,200.17 = 81,990.36 : x
  2. Step 2: Convert to fraction form
    146,529.68/202,200.17 = 81,990.36/x
  3. Step 3: Cross multiply
    146,529.68x = 202,200.17 × 81,990.36
  4. Step 4: Simplify right side
    146,529.68x = 16,578,464,320.41
  5. Step 5: Solve for x
    x = 16,578,464,320.41/146,529.68
  6. Step 6: Final answer
    x = 113,140.66

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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.