Home / 129,985.71-194,985.49-41,246.16

Finding the Fourth Proportional to 129,985.71, 194,985.49 and 41,246.16

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Solution

The fourth proportional to 129,985.71, 194,985.49 and 41,246.16 is: 61,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,985.71 : 194,985.49 = 41,246.16 : x
  2. Step 2: Convert to fraction form
    129,985.71/194,985.49 = 41,246.16/x
  3. Step 3: Cross multiply
    129,985.71x = 194,985.49 × 41,246.16
  4. Step 4: Simplify right side
    129,985.71x = 8,042,402,718.22
  5. Step 5: Solve for x
    x = 8,042,402,718.22/129,985.71
  6. Step 6: Final answer
    x = 61,871.44

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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.