Home / 103,186.71-142,399.18-60,165.05

Finding the Fourth Proportional to 103,186.71, 142,399.18 and 60,165.05

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Solution

The fourth proportional to 103,186.71, 142,399.18 and 60,165.05 is: 83,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,186.71 : 142,399.18 = 60,165.05 : x
  2. Step 2: Convert to fraction form
    103,186.71/142,399.18 = 60,165.05/x
  3. Step 3: Cross multiply
    103,186.71x = 142,399.18 × 60,165.05
  4. Step 4: Simplify right side
    103,186.71x = 8,567,453,147.87
  5. Step 5: Solve for x
    x = 8,567,453,147.87/103,186.71
  6. Step 6: Final answer
    x = 83,028.65

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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.