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Finding the Fourth Proportional to 164,438.72, 226,926.14 and 88,987.22

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Solution

The fourth proportional to 164,438.72, 226,926.14 and 88,987.22 is: 122,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,438.72 : 226,926.14 = 88,987.22 : x
  2. Step 2: Convert to fraction form
    164,438.72/226,926.14 = 88,987.22/x
  3. Step 3: Cross multiply
    164,438.72x = 226,926.14 × 88,987.22
  4. Step 4: Simplify right side
    164,438.72x = 20,193,526,343.93
  5. Step 5: Solve for x
    x = 20,193,526,343.93/164,438.72
  6. Step 6: Final answer
    x = 122,802.75

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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.