Home / 112,241.88-154,897.52-61,257.40

Finding the Fourth Proportional to 112,241.88, 154,897.52 and 61,257.40

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Solution

The fourth proportional to 112,241.88, 154,897.52 and 61,257.40 is: 84,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,241.88 : 154,897.52 = 61,257.40 : x
  2. Step 2: Convert to fraction form
    112,241.88/154,897.52 = 61,257.40/x
  3. Step 3: Cross multiply
    112,241.88x = 154,897.52 × 61,257.40
  4. Step 4: Simplify right side
    112,241.88x = 9,488,619,341.65
  5. Step 5: Solve for x
    x = 9,488,619,341.65/112,241.88
  6. Step 6: Final answer
    x = 84,537.25

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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.