Home / 108,966.40-163,507.20-49,811.20

Finding the Fourth Proportional to 108,966.40, 163,507.20 and 49,811.20

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Solution

The fourth proportional to 108,966.40, 163,507.20 and 49,811.20 is: 74,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,966.40 : 163,507.20 = 49,811.20 : x
  2. Step 2: Convert to fraction form
    108,966.40/163,507.20 = 49,811.20/x
  3. Step 3: Cross multiply
    108,966.40x = 163,507.20 × 49,811.20
  4. Step 4: Simplify right side
    108,966.40x = 8,144,489,840.64
  5. Step 5: Solve for x
    x = 8,144,489,840.64/108,966.40
  6. Step 6: Final answer
    x = 74,743.13

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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.