Home / 134,701.98-201,994.40-38,618.04

Finding the Fourth Proportional to 134,701.98, 201,994.40 and 38,618.04

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Solution

The fourth proportional to 134,701.98, 201,994.40 and 38,618.04 is: 57,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,701.98 : 201,994.40 = 38,618.04 : x
  2. Step 2: Convert to fraction form
    134,701.98/201,994.40 = 38,618.04/x
  3. Step 3: Cross multiply
    134,701.98x = 201,994.40 × 38,618.04
  4. Step 4: Simplify right side
    134,701.98x = 7,800,627,818.98
  5. Step 5: Solve for x
    x = 7,800,627,818.98/134,701.98
  6. Step 6: Final answer
    x = 57,910.27

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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.