Home / 134,139.83-185,109.09-75,991.14

Finding the Fourth Proportional to 134,139.83, 185,109.09 and 75,991.14

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Solution

The fourth proportional to 134,139.83, 185,109.09 and 75,991.14 is: 104,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,139.83 : 185,109.09 = 75,991.14 : x
  2. Step 2: Convert to fraction form
    134,139.83/185,109.09 = 75,991.14/x
  3. Step 3: Cross multiply
    134,139.83x = 185,109.09 × 75,991.14
  4. Step 4: Simplify right side
    134,139.83x = 14,066,650,773.46
  5. Step 5: Solve for x
    x = 14,066,650,773.46/134,139.83
  6. Step 6: Final answer
    x = 104,865.58

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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.