Home / 173,128.30-259,627.65-60,765.10

Finding the Fourth Proportional to 173,128.30, 259,627.65 and 60,765.10

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Solution

The fourth proportional to 173,128.30, 259,627.65 and 60,765.10 is: 91,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,128.30 : 259,627.65 = 60,765.10 : x
  2. Step 2: Convert to fraction form
    173,128.30/259,627.65 = 60,765.10/x
  3. Step 3: Cross multiply
    173,128.30x = 259,627.65 × 60,765.10
  4. Step 4: Simplify right side
    173,128.30x = 15,776,300,115.02
  5. Step 5: Solve for x
    x = 15,776,300,115.02/173,128.30
  6. Step 6: Final answer
    x = 91,124.91

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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.