Home / 137,153.67-205,729.02-104,076.87

Finding the Fourth Proportional to 137,153.67, 205,729.02 and 104,076.87

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Solution

The fourth proportional to 137,153.67, 205,729.02 and 104,076.87 is: 156,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,153.67 : 205,729.02 = 104,076.87 : x
  2. Step 2: Convert to fraction form
    137,153.67/205,729.02 = 104,076.87/x
  3. Step 3: Cross multiply
    137,153.67x = 205,729.02 × 104,076.87
  4. Step 4: Simplify right side
    137,153.67x = 21,411,632,469.77
  5. Step 5: Solve for x
    x = 21,411,632,469.77/137,153.67
  6. Step 6: Final answer
    x = 156,114.18

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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.