Home / 126,018.36-173,909.34-69,431.76

Finding the Fourth Proportional to 126,018.36, 173,909.34 and 69,431.76

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Solution

The fourth proportional to 126,018.36, 173,909.34 and 69,431.76 is: 95,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,018.36 : 173,909.34 = 69,431.76 : x
  2. Step 2: Convert to fraction form
    126,018.36/173,909.34 = 69,431.76/x
  3. Step 3: Cross multiply
    126,018.36x = 173,909.34 × 69,431.76
  4. Step 4: Simplify right side
    126,018.36x = 12,074,831,556.64
  5. Step 5: Solve for x
    x = 12,074,831,556.64/126,018.36
  6. Step 6: Final answer
    x = 95,818.03

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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.