Home / 136,918.15-205,400.57-61,044.22

Finding the Fourth Proportional to 136,918.15, 205,400.57 and 61,044.22

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Solution

The fourth proportional to 136,918.15, 205,400.57 and 61,044.22 is: 91,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,918.15 : 205,400.57 = 61,044.22 : x
  2. Step 2: Convert to fraction form
    136,918.15/205,400.57 = 61,044.22/x
  3. Step 3: Cross multiply
    136,918.15x = 205,400.57 × 61,044.22
  4. Step 4: Simplify right side
    136,918.15x = 12,538,517,222.31
  5. Step 5: Solve for x
    x = 12,538,517,222.31/136,918.15
  6. Step 6: Final answer
    x = 91,576.74

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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.