Home / 129,983.40-194,988.06-46,857.96

Finding the Fourth Proportional to 129,983.40, 194,988.06 and 46,857.96

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Solution

The fourth proportional to 129,983.40, 194,988.06 and 46,857.96 is: 70,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,983.40 : 194,988.06 = 46,857.96 : x
  2. Step 2: Convert to fraction form
    129,983.40/194,988.06 = 46,857.96/x
  3. Step 3: Cross multiply
    129,983.40x = 194,988.06 × 46,857.96
  4. Step 4: Simplify right side
    129,983.40x = 9,136,742,715.96
  5. Step 5: Solve for x
    x = 9,136,742,715.96/129,983.40
  6. Step 6: Final answer
    x = 70,291.61

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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.