Home / 85,191.08-117,674.64-69,118.11

Finding the Fourth Proportional to 85,191.08, 117,674.64 and 69,118.11

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Solution

The fourth proportional to 85,191.08, 117,674.64 and 69,118.11 is: 95,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,191.08 : 117,674.64 = 69,118.11 : x
  2. Step 2: Convert to fraction form
    85,191.08/117,674.64 = 69,118.11/x
  3. Step 3: Cross multiply
    85,191.08x = 117,674.64 × 69,118.11
  4. Step 4: Simplify right side
    85,191.08x = 8,133,448,711.73
  5. Step 5: Solve for x
    x = 8,133,448,711.73/85,191.08
  6. Step 6: Final answer
    x = 95,473.01

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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.