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Finding the Fourth Proportional to 110,646.44, 152,669.19 and 64,697.24

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Solution

The fourth proportional to 110,646.44, 152,669.19 and 64,697.24 is: 89,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,646.44 : 152,669.19 = 64,697.24 : x
  2. Step 2: Convert to fraction form
    110,646.44/152,669.19 = 64,697.24/x
  3. Step 3: Cross multiply
    110,646.44x = 152,669.19 × 64,697.24
  4. Step 4: Simplify right side
    110,646.44x = 9,877,275,226.04
  5. Step 5: Solve for x
    x = 9,877,275,226.04/110,646.44
  6. Step 6: Final answer
    x = 89,268.80

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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.