Home / 108,126.86-162,225.00-51,971.04

Finding the Fourth Proportional to 108,126.86, 162,225.00 and 51,971.04

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Solution

The fourth proportional to 108,126.86, 162,225.00 and 51,971.04 is: 77,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,126.86 : 162,225.00 = 51,971.04 : x
  2. Step 2: Convert to fraction form
    108,126.86/162,225.00 = 51,971.04/x
  3. Step 3: Cross multiply
    108,126.86x = 162,225.00 × 51,971.04
  4. Step 4: Simplify right side
    108,126.86x = 8,431,002,377.45
  5. Step 5: Solve for x
    x = 8,431,002,377.45/108,126.86
  6. Step 6: Final answer
    x = 77,973.25

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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.