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Finding the Fourth Proportional to 163,350, 225,461.88 and 99,741.51

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Solution

The fourth proportional to 163,350, 225,461.88 and 99,741.51 is: 137,667.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,350 : 225,461.88 = 99,741.51 : x
  2. Step 2: Convert to fraction form
    163,350/225,461.88 = 99,741.51/x
  3. Step 3: Cross multiply
    163,350x = 225,461.88 × 99,741.51
  4. Step 4: Simplify right side
    163,350x = 22,487,908,358.64
  5. Step 5: Solve for x
    x = 22,487,908,358.64/163,350
  6. Step 6: Final answer
    x = 137,667.02

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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.