Home / 117,528.64-162,220.80-69,766.72

Finding the Fourth Proportional to 117,528.64, 162,220.80 and 69,766.72

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Solution

The fourth proportional to 117,528.64, 162,220.80 and 69,766.72 is: 96,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,528.64 : 162,220.80 = 69,766.72 : x
  2. Step 2: Convert to fraction form
    117,528.64/162,220.80 = 69,766.72/x
  3. Step 3: Cross multiply
    117,528.64x = 162,220.80 × 69,766.72
  4. Step 4: Simplify right side
    117,528.64x = 11,317,613,131.78
  5. Step 5: Solve for x
    x = 11,317,613,131.78/117,528.64
  6. Step 6: Final answer
    x = 96,296.64

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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.