Home / 147,902.61-204,121.82-85,826.77

Finding the Fourth Proportional to 147,902.61, 204,121.82 and 85,826.77

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Solution

The fourth proportional to 147,902.61, 204,121.82 and 85,826.77 is: 118,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,902.61 : 204,121.82 = 85,826.77 : x
  2. Step 2: Convert to fraction form
    147,902.61/204,121.82 = 85,826.77/x
  3. Step 3: Cross multiply
    147,902.61x = 204,121.82 × 85,826.77
  4. Step 4: Simplify right side
    147,902.61x = 17,519,117,108.18
  5. Step 5: Solve for x
    x = 17,519,117,108.18/147,902.61
  6. Step 6: Final answer
    x = 118,450.36

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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.