Home / 126,813.76-175,008.42-70,225.12

Finding the Fourth Proportional to 126,813.76, 175,008.42 and 70,225.12

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Solution

The fourth proportional to 126,813.76, 175,008.42 and 70,225.12 is: 96,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,813.76 : 175,008.42 = 70,225.12 : x
  2. Step 2: Convert to fraction form
    126,813.76/175,008.42 = 70,225.12/x
  3. Step 3: Cross multiply
    126,813.76x = 175,008.42 × 70,225.12
  4. Step 4: Simplify right side
    126,813.76x = 12,289,987,295.51
  5. Step 5: Solve for x
    x = 12,289,987,295.51/126,813.76
  6. Step 6: Final answer
    x = 96,913.67

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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.