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Finding the Fourth Proportional to 64,166.60, 96,249.90 and 17,419.40

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Solution

The fourth proportional to 64,166.60, 96,249.90 and 17,419.40 is: 26,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,166.60 : 96,249.90 = 17,419.40 : x
  2. Step 2: Convert to fraction form
    64,166.60/96,249.90 = 17,419.40/x
  3. Step 3: Cross multiply
    64,166.60x = 96,249.90 × 17,419.40
  4. Step 4: Simplify right side
    64,166.60x = 1,676,615,508.06
  5. Step 5: Solve for x
    x = 1,676,615,508.06/64,166.60
  6. Step 6: Final answer
    x = 26,129.10

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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.