Home / 113,161.29-156,161.94-61,477.95

Finding the Fourth Proportional to 113,161.29, 156,161.94 and 61,477.95

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Solution

The fourth proportional to 113,161.29, 156,161.94 and 61,477.95 is: 84,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,161.29 : 156,161.94 = 61,477.95 : x
  2. Step 2: Convert to fraction form
    113,161.29/156,161.94 = 61,477.95/x
  3. Step 3: Cross multiply
    113,161.29x = 156,161.94 × 61,477.95
  4. Step 4: Simplify right side
    113,161.29x = 9,600,515,939.22
  5. Step 5: Solve for x
    x = 9,600,515,939.22/113,161.29
  6. Step 6: Final answer
    x = 84,839.22

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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.