Home / 75,134.96-112,536.18-51,386.16

Finding the Fourth Proportional to 75,134.96, 112,536.18 and 51,386.16

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Solution

The fourth proportional to 75,134.96, 112,536.18 and 51,386.16 is: 76,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.96 : 112,536.18 = 51,386.16 : x
  2. Step 2: Convert to fraction form
    75,134.96/112,536.18 = 51,386.16/x
  3. Step 3: Cross multiply
    75,134.96x = 112,536.18 × 51,386.16
  4. Step 4: Simplify right side
    75,134.96x = 5,782,802,151.27
  5. Step 5: Solve for x
    x = 5,782,802,151.27/75,134.96
  6. Step 6: Final answer
    x = 76,965.54

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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.