Home / 102,613.56-141,609.54-57,289.80

Finding the Fourth Proportional to 102,613.56, 141,609.54 and 57,289.80

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Solution

The fourth proportional to 102,613.56, 141,609.54 and 57,289.80 is: 79,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,613.56 : 141,609.54 = 57,289.80 : x
  2. Step 2: Convert to fraction form
    102,613.56/141,609.54 = 57,289.80/x
  3. Step 3: Cross multiply
    102,613.56x = 141,609.54 × 57,289.80
  4. Step 4: Simplify right side
    102,613.56x = 8,112,782,224.69
  5. Step 5: Solve for x
    x = 8,112,782,224.69/102,613.56
  6. Step 6: Final answer
    x = 79,061.50

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1.5x scale

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.