Home / 103,183.56-142,332.98-64,882.49

Finding the Fourth Proportional to 103,183.56, 142,332.98 and 64,882.49

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Solution

The fourth proportional to 103,183.56, 142,332.98 and 64,882.49 is: 89,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,183.56 : 142,332.98 = 64,882.49 : x
  2. Step 2: Convert to fraction form
    103,183.56/142,332.98 = 64,882.49/x
  3. Step 3: Cross multiply
    103,183.56x = 142,332.98 × 64,882.49
  4. Step 4: Simplify right side
    103,183.56x = 9,234,917,115.44
  5. Step 5: Solve for x
    x = 9,234,917,115.44/103,183.56
  6. Step 6: Final answer
    x = 89,499.89

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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.