Home / 102,181.35-141,014.25-61,872.33

Finding the Fourth Proportional to 102,181.35, 141,014.25 and 61,872.33

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Solution

The fourth proportional to 102,181.35, 141,014.25 and 61,872.33 is: 85,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,181.35 : 141,014.25 = 61,872.33 : x
  2. Step 2: Convert to fraction form
    102,181.35/141,014.25 = 61,872.33/x
  3. Step 3: Cross multiply
    102,181.35x = 141,014.25 × 61,872.33
  4. Step 4: Simplify right side
    102,181.35x = 8,724,880,210.70
  5. Step 5: Solve for x
    x = 8,724,880,210.70/102,181.35
  6. Step 6: Final answer
    x = 85,386.23

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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.