Home / 148,908.38-205,494.23-81,844.70

Finding the Fourth Proportional to 148,908.38, 205,494.23 and 81,844.70

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Solution

The fourth proportional to 148,908.38, 205,494.23 and 81,844.70 is: 112,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,908.38 : 205,494.23 = 81,844.70 : x
  2. Step 2: Convert to fraction form
    148,908.38/205,494.23 = 81,844.70/x
  3. Step 3: Cross multiply
    148,908.38x = 205,494.23 × 81,844.70
  4. Step 4: Simplify right side
    148,908.38x = 16,818,613,606.08
  5. Step 5: Solve for x
    x = 16,818,613,606.08/148,908.38
  6. Step 6: Final answer
    x = 112,946.05

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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.