Home / 108,874.72-163,313.70-38,752.21

Finding the Fourth Proportional to 108,874.72, 163,313.70 and 38,752.21

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Solution

The fourth proportional to 108,874.72, 163,313.70 and 38,752.21 is: 58,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874.72 : 163,313.70 = 38,752.21 : x
  2. Step 2: Convert to fraction form
    108,874.72/163,313.70 = 38,752.21/x
  3. Step 3: Cross multiply
    108,874.72x = 163,313.70 × 38,752.21
  4. Step 4: Simplify right side
    108,874.72x = 6,328,766,798.28
  5. Step 5: Solve for x
    x = 6,328,766,798.28/108,874.72
  6. Step 6: Final answer
    x = 58,128.89

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1.5x scale

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.