Home / 182,345.91-251,640.59-100,683.76

Finding the Fourth Proportional to 182,345.91, 251,640.59 and 100,683.76

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Solution

The fourth proportional to 182,345.91, 251,640.59 and 100,683.76 is: 138,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,345.91 : 251,640.59 = 100,683.76 : x
  2. Step 2: Convert to fraction form
    182,345.91/251,640.59 = 100,683.76/x
  3. Step 3: Cross multiply
    182,345.91x = 251,640.59 × 100,683.76
  4. Step 4: Simplify right side
    182,345.91x = 25,336,120,675.47
  5. Step 5: Solve for x
    x = 25,336,120,675.47/182,345.91
  6. Step 6: Final answer
    x = 138,945.37

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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.