Home / 115,282.10-172,938.26-45,152.30

Finding the Fourth Proportional to 115,282.10, 172,938.26 and 45,152.30

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Solution

The fourth proportional to 115,282.10, 172,938.26 and 45,152.30 is: 67,734.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,282.10 : 172,938.26 = 45,152.30 : x
  2. Step 2: Convert to fraction form
    115,282.10/172,938.26 = 45,152.30/x
  3. Step 3: Cross multiply
    115,282.10x = 172,938.26 × 45,152.30
  4. Step 4: Simplify right side
    115,282.10x = 7,808,560,197.00
  5. Step 5: Solve for x
    x = 7,808,560,197.00/115,282.10
  6. Step 6: Final answer
    x = 67,734.37

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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.