Home / 185,082.71-277,738.27-72,743.20

Finding the Fourth Proportional to 185,082.71, 277,738.27 and 72,743.20

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Solution

The fourth proportional to 185,082.71, 277,738.27 and 72,743.20 is: 109,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,082.71 : 277,738.27 = 72,743.20 : x
  2. Step 2: Convert to fraction form
    185,082.71/277,738.27 = 72,743.20/x
  3. Step 3: Cross multiply
    185,082.71x = 277,738.27 × 72,743.20
  4. Step 4: Simplify right side
    185,082.71x = 20,203,569,646.06
  5. Step 5: Solve for x
    x = 20,203,569,646.06/185,082.71
  6. Step 6: Final answer
    x = 109,159.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.