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Finding the Fourth Proportional to 163,656.68, 225,877.27 and 102,431.30

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Solution

The fourth proportional to 163,656.68, 225,877.27 and 102,431.30 is: 141,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,656.68 : 225,877.27 = 102,431.30 : x
  2. Step 2: Convert to fraction form
    163,656.68/225,877.27 = 102,431.30/x
  3. Step 3: Cross multiply
    163,656.68x = 225,877.27 × 102,431.30
  4. Step 4: Simplify right side
    163,656.68x = 23,136,902,406.55
  5. Step 5: Solve for x
    x = 23,136,902,406.55/163,656.68
  6. Step 6: Final answer
    x = 141,374.63

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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.