Home / 126,735.36-174,892.68-70,145.52

Finding the Fourth Proportional to 126,735.36, 174,892.68 and 70,145.52

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Solution

The fourth proportional to 126,735.36, 174,892.68 and 70,145.52 is: 96,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,735.36 : 174,892.68 = 70,145.52 : x
  2. Step 2: Convert to fraction form
    126,735.36/174,892.68 = 70,145.52/x
  3. Step 3: Cross multiply
    126,735.36x = 174,892.68 × 70,145.52
  4. Step 4: Simplify right side
    126,735.36x = 12,267,937,982.79
  5. Step 5: Solve for x
    x = 12,267,937,982.79/126,735.36
  6. Step 6: Final answer
    x = 96,799.65

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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.