Home / 109,556.72-151,187.08-61,825.52

Finding the Fourth Proportional to 109,556.72, 151,187.08 and 61,825.52

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Solution

The fourth proportional to 109,556.72, 151,187.08 and 61,825.52 is: 85,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,556.72 : 151,187.08 = 61,825.52 : x
  2. Step 2: Convert to fraction form
    109,556.72/151,187.08 = 61,825.52/x
  3. Step 3: Cross multiply
    109,556.72x = 151,187.08 × 61,825.52
  4. Step 4: Simplify right side
    109,556.72x = 9,347,219,838.28
  5. Step 5: Solve for x
    x = 9,347,219,838.28/109,556.72
  6. Step 6: Final answer
    x = 85,318.54

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1.5x scale

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.