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Finding the Fourth Proportional to 64,109.16, 96,163.74 and 17,368.92

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Solution

The fourth proportional to 64,109.16, 96,163.74 and 17,368.92 is: 26,053.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,109.16 : 96,163.74 = 17,368.92 : x
  2. Step 2: Convert to fraction form
    64,109.16/96,163.74 = 17,368.92/x
  3. Step 3: Cross multiply
    64,109.16x = 96,163.74 × 17,368.92
  4. Step 4: Simplify right side
    64,109.16x = 1,670,260,306.96
  5. Step 5: Solve for x
    x = 1,670,260,306.96/64,109.16
  6. Step 6: Final answer
    x = 26,053.38

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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.