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Finding the Fourth Proportional to 108,843.60, 163,265.40 and 46,635.60

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Solution

The fourth proportional to 108,843.60, 163,265.40 and 46,635.60 is: 69,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,843.60 : 163,265.40 = 46,635.60 : x
  2. Step 2: Convert to fraction form
    108,843.60/163,265.40 = 46,635.60/x
  3. Step 3: Cross multiply
    108,843.60x = 163,265.40 × 46,635.60
  4. Step 4: Simplify right side
    108,843.60x = 7,613,979,888.24
  5. Step 5: Solve for x
    x = 7,613,979,888.24/108,843.60
  6. Step 6: Final answer
    x = 69,953.40

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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.