Home / 113,145.96-169,740.81-38,278.27

Finding the Fourth Proportional to 113,145.96, 169,740.81 and 38,278.27

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Solution

The fourth proportional to 113,145.96, 169,740.81 and 38,278.27 is: 57,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,145.96 : 169,740.81 = 38,278.27 : x
  2. Step 2: Convert to fraction form
    113,145.96/169,740.81 = 38,278.27/x
  3. Step 3: Cross multiply
    113,145.96x = 169,740.81 × 38,278.27
  4. Step 4: Simplify right side
    113,145.96x = 6,497,384,130.85
  5. Step 5: Solve for x
    x = 6,497,384,130.85/113,145.96
  6. Step 6: Final answer
    x = 57,424.80

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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.