Home / 108,702.83-163,050.53-42,157.28

Finding the Fourth Proportional to 108,702.83, 163,050.53 and 42,157.28

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Solution

The fourth proportional to 108,702.83, 163,050.53 and 42,157.28 is: 63,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,702.83 : 163,050.53 = 42,157.28 : x
  2. Step 2: Convert to fraction form
    108,702.83/163,050.53 = 42,157.28/x
  3. Step 3: Cross multiply
    108,702.83x = 163,050.53 × 42,157.28
  4. Step 4: Simplify right side
    108,702.83x = 6,873,765,821.32
  5. Step 5: Solve for x
    x = 6,873,765,821.32/108,702.83
  6. Step 6: Final answer
    x = 63,234.47

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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.