Home / 113,988.88-170,967.34-39,107.80

Finding the Fourth Proportional to 113,988.88, 170,967.34 and 39,107.80

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Solution

The fourth proportional to 113,988.88, 170,967.34 and 39,107.80 is: 58,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,988.88 : 170,967.34 = 39,107.80 : x
  2. Step 2: Convert to fraction form
    113,988.88/170,967.34 = 39,107.80/x
  3. Step 3: Cross multiply
    113,988.88x = 170,967.34 × 39,107.80
  4. Step 4: Simplify right side
    113,988.88x = 6,686,156,539.25
  5. Step 5: Solve for x
    x = 6,686,156,539.25/113,988.88
  6. Step 6: Final answer
    x = 58,656.22

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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.