Home / 112,079.88-154,669.22-61,092.60

Finding the Fourth Proportional to 112,079.88, 154,669.22 and 61,092.60

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Solution

The fourth proportional to 112,079.88, 154,669.22 and 61,092.60 is: 84,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,079.88 : 154,669.22 = 61,092.60 : x
  2. Step 2: Convert to fraction form
    112,079.88/154,669.22 = 61,092.60/x
  3. Step 3: Cross multiply
    112,079.88x = 154,669.22 × 61,092.60
  4. Step 4: Simplify right side
    112,079.88x = 9,449,144,789.77
  5. Step 5: Solve for x
    x = 9,449,144,789.77/112,079.88
  6. Step 6: Final answer
    x = 84,307.24

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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.