Home / 108,842.13-163,232.28-42,268.05

Finding the Fourth Proportional to 108,842.13, 163,232.28 and 42,268.05

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Solution

The fourth proportional to 108,842.13, 163,232.28 and 42,268.05 is: 63,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,842.13 : 163,232.28 = 42,268.05 : x
  2. Step 2: Convert to fraction form
    108,842.13/163,232.28 = 42,268.05/x
  3. Step 3: Cross multiply
    108,842.13x = 163,232.28 × 42,268.05
  4. Step 4: Simplify right side
    108,842.13x = 6,899,510,172.65
  5. Step 5: Solve for x
    x = 6,899,510,172.65/108,842.13
  6. Step 6: Final answer
    x = 63,390.07

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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.