Home / 136,918.10-205,400.50-61,044.17

Finding the Fourth Proportional to 136,918.10, 205,400.50 and 61,044.17

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Solution

The fourth proportional to 136,918.10, 205,400.50 and 61,044.17 is: 91,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,918.10 : 205,400.50 = 61,044.17 : x
  2. Step 2: Convert to fraction form
    136,918.10/205,400.50 = 61,044.17/x
  3. Step 3: Cross multiply
    136,918.10x = 205,400.50 × 61,044.17
  4. Step 4: Simplify right side
    136,918.10x = 12,538,503,040.09
  5. Step 5: Solve for x
    x = 12,538,503,040.09/136,918.10
  6. Step 6: Final answer
    x = 91,576.67

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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.