Home / 204,818.41-282,533.63-128,204.51

Finding the Fourth Proportional to 204,818.41, 282,533.63 and 128,204.51

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Solution

The fourth proportional to 204,818.41, 282,533.63 and 128,204.51 is: 176,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,818.41 : 282,533.63 = 128,204.51 : x
  2. Step 2: Convert to fraction form
    204,818.41/282,533.63 = 128,204.51/x
  3. Step 3: Cross multiply
    204,818.41x = 282,533.63 × 128,204.51
  4. Step 4: Simplify right side
    204,818.41x = 36,222,085,592.67
  5. Step 5: Solve for x
    x = 36,222,085,592.67/204,818.41
  6. Step 6: Final answer
    x = 176,849.76

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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.