Home / 102,143.77-153,082.91-57,163.25

Finding the Fourth Proportional to 102,143.77, 153,082.91 and 57,163.25

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Solution

The fourth proportional to 102,143.77, 153,082.91 and 57,163.25 is: 85,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,143.77 : 153,082.91 = 57,163.25 : x
  2. Step 2: Convert to fraction form
    102,143.77/153,082.91 = 57,163.25/x
  3. Step 3: Cross multiply
    102,143.77x = 153,082.91 × 57,163.25
  4. Step 4: Simplify right side
    102,143.77x = 8,750,717,180.67
  5. Step 5: Solve for x
    x = 8,750,717,180.67/102,143.77
  6. Step 6: Final answer
    x = 85,670.59

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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.