Home / 132,649.56-199,010.70-39,155.28

Finding the Fourth Proportional to 132,649.56, 199,010.70 and 39,155.28

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Solution

The fourth proportional to 132,649.56, 199,010.70 and 39,155.28 is: 58,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,649.56 : 199,010.70 = 39,155.28 : x
  2. Step 2: Convert to fraction form
    132,649.56/199,010.70 = 39,155.28/x
  3. Step 3: Cross multiply
    132,649.56x = 199,010.70 × 39,155.28
  4. Step 4: Simplify right side
    132,649.56x = 7,792,319,681.50
  5. Step 5: Solve for x
    x = 7,792,319,681.50/132,649.56
  6. Step 6: Final answer
    x = 58,743.65

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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.