Home / 110,746.20-166,167.90-51,551.40

Finding the Fourth Proportional to 110,746.20, 166,167.90 and 51,551.40

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Solution

The fourth proportional to 110,746.20, 166,167.90 and 51,551.40 is: 77,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,746.20 : 166,167.90 = 51,551.40 : x
  2. Step 2: Convert to fraction form
    110,746.20/166,167.90 = 51,551.40/x
  3. Step 3: Cross multiply
    110,746.20x = 166,167.90 × 51,551.40
  4. Step 4: Simplify right side
    110,746.20x = 8,566,187,880.06
  5. Step 5: Solve for x
    x = 8,566,187,880.06/110,746.20
  6. Step 6: Final answer
    x = 77,349.72

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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.