Home / 129,141.06-193,722.70-35,646.80

Finding the Fourth Proportional to 129,141.06, 193,722.70 and 35,646.80

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Solution

The fourth proportional to 129,141.06, 193,722.70 and 35,646.80 is: 53,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,141.06 : 193,722.70 = 35,646.80 : x
  2. Step 2: Convert to fraction form
    129,141.06/193,722.70 = 35,646.80/x
  3. Step 3: Cross multiply
    129,141.06x = 193,722.70 × 35,646.80
  4. Step 4: Simplify right side
    129,141.06x = 6,905,594,342.36
  5. Step 5: Solve for x
    x = 6,905,594,342.36/129,141.06
  6. Step 6: Final answer
    x = 53,473.27

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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.