Home / 102,617.09-141,630.02-61,226.75

Finding the Fourth Proportional to 102,617.09, 141,630.02 and 61,226.75

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Solution

The fourth proportional to 102,617.09, 141,630.02 and 61,226.75 is: 84,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,617.09 : 141,630.02 = 61,226.75 : x
  2. Step 2: Convert to fraction form
    102,617.09/141,630.02 = 61,226.75/x
  3. Step 3: Cross multiply
    102,617.09x = 141,630.02 × 61,226.75
  4. Step 4: Simplify right side
    102,617.09x = 8,671,546,104.58
  5. Step 5: Solve for x
    x = 8,671,546,104.58/102,617.09
  6. Step 6: Final answer
    x = 84,503.91

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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.