Home / 113,985.90-170,988.57-29,757.24

Finding the Fourth Proportional to 113,985.90, 170,988.57 and 29,757.24

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Solution

The fourth proportional to 113,985.90, 170,988.57 and 29,757.24 is: 44,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,985.90 : 170,988.57 = 29,757.24 : x
  2. Step 2: Convert to fraction form
    113,985.90/170,988.57 = 29,757.24/x
  3. Step 3: Cross multiply
    113,985.90x = 170,988.57 × 29,757.24
  4. Step 4: Simplify right side
    113,985.90x = 5,088,147,914.75
  5. Step 5: Solve for x
    x = 5,088,147,914.75/113,985.90
  6. Step 6: Final answer
    x = 44,638.40

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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.