Home / 102,320.60-141,183.68-56,997.45

Finding the Fourth Proportional to 102,320.60, 141,183.68 and 56,997.45

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Solution

The fourth proportional to 102,320.60, 141,183.68 and 56,997.45 is: 78,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,320.60 : 141,183.68 = 56,997.45 : x
  2. Step 2: Convert to fraction form
    102,320.60/141,183.68 = 56,997.45/x
  3. Step 3: Cross multiply
    102,320.60x = 141,183.68 × 56,997.45
  4. Step 4: Simplify right side
    102,320.60x = 8,047,109,456.63
  5. Step 5: Solve for x
    x = 8,047,109,456.63/102,320.60
  6. Step 6: Final answer
    x = 78,646.04

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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.