Home / 147,537.90-203,601.33-83,875.71

Finding the Fourth Proportional to 147,537.90, 203,601.33 and 83,875.71

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Solution

The fourth proportional to 147,537.90, 203,601.33 and 83,875.71 is: 115,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,537.90 : 203,601.33 = 83,875.71 : x
  2. Step 2: Convert to fraction form
    147,537.90/203,601.33 = 83,875.71/x
  3. Step 3: Cross multiply
    147,537.90x = 203,601.33 × 83,875.71
  4. Step 4: Simplify right side
    147,537.90x = 17,077,206,110.69
  5. Step 5: Solve for x
    x = 17,077,206,110.69/147,537.90
  6. Step 6: Final answer
    x = 115,747.93

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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.