Home / 113,289.71-169,934.57-53,945.47

Finding the Fourth Proportional to 113,289.71, 169,934.57 and 53,945.47

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Solution

The fourth proportional to 113,289.71, 169,934.57 and 53,945.47 is: 80,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,289.71 : 169,934.57 = 53,945.47 : x
  2. Step 2: Convert to fraction form
    113,289.71/169,934.57 = 53,945.47/x
  3. Step 3: Cross multiply
    113,289.71x = 169,934.57 × 53,945.47
  4. Step 4: Simplify right side
    113,289.71x = 9,167,199,990.80
  5. Step 5: Solve for x
    x = 9,167,199,990.80/113,289.71
  6. Step 6: Final answer
    x = 80,918.20

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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.