Home / 126,199.89-174,159.12-68,840.17

Finding the Fourth Proportional to 126,199.89, 174,159.12 and 68,840.17

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Solution

The fourth proportional to 126,199.89, 174,159.12 and 68,840.17 is: 95,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,199.89 : 174,159.12 = 68,840.17 : x
  2. Step 2: Convert to fraction form
    126,199.89/174,159.12 = 68,840.17/x
  3. Step 3: Cross multiply
    126,199.89x = 174,159.12 × 68,840.17
  4. Step 4: Simplify right side
    126,199.89x = 11,989,143,427.85
  5. Step 5: Solve for x
    x = 11,989,143,427.85/126,199.89
  6. Step 6: Final answer
    x = 95,001.22

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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.