Home / 108,928.08-163,322.19-42,297.21

Finding the Fourth Proportional to 108,928.08, 163,322.19 and 42,297.21

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Solution

The fourth proportional to 108,928.08, 163,322.19 and 42,297.21 is: 63,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,928.08 : 163,322.19 = 42,297.21 : x
  2. Step 2: Convert to fraction form
    108,928.08/163,322.19 = 42,297.21/x
  3. Step 3: Cross multiply
    108,928.08x = 163,322.19 × 42,297.21
  4. Step 4: Simplify right side
    108,928.08x = 6,908,072,968.09
  5. Step 5: Solve for x
    x = 6,908,072,968.09/108,928.08
  6. Step 6: Final answer
    x = 63,418.66

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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.