Home / 102,196.08-141,037.22-56,873.93

Finding the Fourth Proportional to 102,196.08, 141,037.22 and 56,873.93

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Solution

The fourth proportional to 102,196.08, 141,037.22 and 56,873.93 is: 78,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,196.08 : 141,037.22 = 56,873.93 : x
  2. Step 2: Convert to fraction form
    102,196.08/141,037.22 = 56,873.93/x
  3. Step 3: Cross multiply
    102,196.08x = 141,037.22 × 56,873.93
  4. Step 4: Simplify right side
    102,196.08x = 8,021,340,977.67
  5. Step 5: Solve for x
    x = 8,021,340,977.67/102,196.08
  6. Step 6: Final answer
    x = 78,489.71

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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.