Home / 113,868.88-170,827.40-42,792.14

Finding the Fourth Proportional to 113,868.88, 170,827.40 and 42,792.14

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Solution

The fourth proportional to 113,868.88, 170,827.40 and 42,792.14 is: 64,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,868.88 : 170,827.40 = 42,792.14 : x
  2. Step 2: Convert to fraction form
    113,868.88/170,827.40 = 42,792.14/x
  3. Step 3: Cross multiply
    113,868.88x = 170,827.40 × 42,792.14
  4. Step 4: Simplify right side
    113,868.88x = 7,310,070,550.68
  5. Step 5: Solve for x
    x = 7,310,070,550.68/113,868.88
  6. Step 6: Final answer
    x = 64,197.27

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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.