Home / 108,890.85-163,294.11-42,322.26

Finding the Fourth Proportional to 108,890.85, 163,294.11 and 42,322.26

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Solution

The fourth proportional to 108,890.85, 163,294.11 and 42,322.26 is: 63,467.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,890.85 : 163,294.11 = 42,322.26 : x
  2. Step 2: Convert to fraction form
    108,890.85/163,294.11 = 42,322.26/x
  3. Step 3: Cross multiply
    108,890.85x = 163,294.11 × 42,322.26
  4. Step 4: Simplify right side
    108,890.85x = 6,910,975,779.89
  5. Step 5: Solve for x
    x = 6,910,975,779.89/108,890.85
  6. Step 6: Final answer
    x = 63,467.00

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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.