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Finding the Fourth Proportional to 167,455.40, 251,158.80 and 49,114.40

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Solution

The fourth proportional to 167,455.40, 251,158.80 and 49,114.40 is: 73,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,455.40 : 251,158.80 = 49,114.40 : x
  2. Step 2: Convert to fraction form
    167,455.40/251,158.80 = 49,114.40/x
  3. Step 3: Cross multiply
    167,455.40x = 251,158.80 × 49,114.40
  4. Step 4: Simplify right side
    167,455.40x = 12,335,513,766.72
  5. Step 5: Solve for x
    x = 12,335,513,766.72/167,455.40
  6. Step 6: Final answer
    x = 73,664.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.