Home / 129,719.50-194,580.87-46,613.50

Finding the Fourth Proportional to 129,719.50, 194,580.87 and 46,613.50

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Solution

The fourth proportional to 129,719.50, 194,580.87 and 46,613.50 is: 69,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,719.50 : 194,580.87 = 46,613.50 : x
  2. Step 2: Convert to fraction form
    129,719.50/194,580.87 = 46,613.50/x
  3. Step 3: Cross multiply
    129,719.50x = 194,580.87 × 46,613.50
  4. Step 4: Simplify right side
    129,719.50x = 9,070,095,383.75
  5. Step 5: Solve for x
    x = 9,070,095,383.75/129,719.50
  6. Step 6: Final answer
    x = 69,920.83

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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.