Home / 109,442.14-151,028.12-61,695.52

Finding the Fourth Proportional to 109,442.14, 151,028.12 and 61,695.52

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Solution

The fourth proportional to 109,442.14, 151,028.12 and 61,695.52 is: 85,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,442.14 : 151,028.12 = 61,695.52 : x
  2. Step 2: Convert to fraction form
    109,442.14/151,028.12 = 61,695.52/x
  3. Step 3: Cross multiply
    109,442.14x = 151,028.12 × 61,695.52
  4. Step 4: Simplify right side
    109,442.14x = 9,317,758,174.69
  5. Step 5: Solve for x
    x = 9,317,758,174.69/109,442.14
  6. Step 6: Final answer
    x = 85,138.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.