Home / 147,681.43-203,799.85-83,150.65

Finding the Fourth Proportional to 147,681.43, 203,799.85 and 83,150.65

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Solution

The fourth proportional to 147,681.43, 203,799.85 and 83,150.65 is: 114,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,681.43 : 203,799.85 = 83,150.65 : x
  2. Step 2: Convert to fraction form
    147,681.43/203,799.85 = 83,150.65/x
  3. Step 3: Cross multiply
    147,681.43x = 203,799.85 × 83,150.65
  4. Step 4: Simplify right side
    147,681.43x = 16,946,090,044.28
  5. Step 5: Solve for x
    x = 16,946,090,044.28/147,681.43
  6. Step 6: Final answer
    x = 114,747.60

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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.