Home / 148,322.34-204,685.38-80,340.12

Finding the Fourth Proportional to 148,322.34, 204,685.38 and 80,340.12

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Solution

The fourth proportional to 148,322.34, 204,685.38 and 80,340.12 is: 110,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,322.34 : 204,685.38 = 80,340.12 : x
  2. Step 2: Convert to fraction form
    148,322.34/204,685.38 = 80,340.12/x
  3. Step 3: Cross multiply
    148,322.34x = 204,685.38 × 80,340.12
  4. Step 4: Simplify right side
    148,322.34x = 16,444,447,991.45
  5. Step 5: Solve for x
    x = 16,444,447,991.45/148,322.34
  6. Step 6: Final answer
    x = 110,869.66

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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.