Home / 136,537.17-204,898.63-83,785.65

Finding the Fourth Proportional to 136,537.17, 204,898.63 and 83,785.65

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Solution

The fourth proportional to 136,537.17, 204,898.63 and 83,785.65 is: 125,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,537.17 : 204,898.63 = 83,785.65 : x
  2. Step 2: Convert to fraction form
    136,537.17/204,898.63 = 83,785.65/x
  3. Step 3: Cross multiply
    136,537.17x = 204,898.63 × 83,785.65
  4. Step 4: Simplify right side
    136,537.17x = 17,167,564,898.66
  5. Step 5: Solve for x
    x = 17,167,564,898.66/136,537.17
  6. Step 6: Final answer
    x = 125,735.47

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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.