Home / 124,781.10-172,187.55-68,192.34

Finding the Fourth Proportional to 124,781.10, 172,187.55 and 68,192.34

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Solution

The fourth proportional to 124,781.10, 172,187.55 and 68,192.34 is: 94,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,781.10 : 172,187.55 = 68,192.34 : x
  2. Step 2: Convert to fraction form
    124,781.10/172,187.55 = 68,192.34/x
  3. Step 3: Cross multiply
    124,781.10x = 172,187.55 × 68,192.34
  4. Step 4: Simplify right side
    124,781.10x = 11,741,871,953.37
  5. Step 5: Solve for x
    x = 11,741,871,953.37/124,781.10
  6. Step 6: Final answer
    x = 94,099.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.