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Finding the Fourth Proportional to 149,167.27, 205,798.87 and 84,628.90

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Solution

The fourth proportional to 149,167.27, 205,798.87 and 84,628.90 is: 116,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,167.27 : 205,798.87 = 84,628.90 : x
  2. Step 2: Convert to fraction form
    149,167.27/205,798.87 = 84,628.90/x
  3. Step 3: Cross multiply
    149,167.27x = 205,798.87 × 84,628.90
  4. Step 4: Simplify right side
    149,167.27x = 17,416,532,352.38
  5. Step 5: Solve for x
    x = 17,416,532,352.38/149,167.27
  6. Step 6: Final answer
    x = 116,758.40

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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.