Home / 126,971.64-175,233.60-70,393.92

Finding the Fourth Proportional to 126,971.64, 175,233.60 and 70,393.92

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Solution

The fourth proportional to 126,971.64, 175,233.60 and 70,393.92 is: 97,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,971.64 : 175,233.60 = 70,393.92 : x
  2. Step 2: Convert to fraction form
    126,971.64/175,233.60 = 70,393.92/x
  3. Step 3: Cross multiply
    126,971.64x = 175,233.60 × 70,393.92
  4. Step 4: Simplify right side
    126,971.64x = 12,335,380,019.71
  5. Step 5: Solve for x
    x = 12,335,380,019.71/126,971.64
  6. Step 6: Final answer
    x = 97,150.67

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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.