Home / 117,733.66-162,532.65-90,815.74

Finding the Fourth Proportional to 117,733.66, 162,532.65 and 90,815.74

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Solution

The fourth proportional to 117,733.66, 162,532.65 and 90,815.74 is: 125,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,733.66 : 162,532.65 = 90,815.74 : x
  2. Step 2: Convert to fraction form
    117,733.66/162,532.65 = 90,815.74/x
  3. Step 3: Cross multiply
    117,733.66x = 162,532.65 × 90,815.74
  4. Step 4: Simplify right side
    117,733.66x = 14,760,522,883.91
  5. Step 5: Solve for x
    x = 14,760,522,883.91/117,733.66
  6. Step 6: Final answer
    x = 125,372.16

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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.