Home / 126,838.75-175,035.33-70,248.91

Finding the Fourth Proportional to 126,838.75, 175,035.33 and 70,248.91

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Solution

The fourth proportional to 126,838.75, 175,035.33 and 70,248.91 is: 96,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,838.75 : 175,035.33 = 70,248.91 : x
  2. Step 2: Convert to fraction form
    126,838.75/175,035.33 = 70,248.91/x
  3. Step 3: Cross multiply
    126,838.75x = 175,035.33 × 70,248.91
  4. Step 4: Simplify right side
    126,838.75x = 12,296,041,143.99
  5. Step 5: Solve for x
    x = 12,296,041,143.99/126,838.75
  6. Step 6: Final answer
    x = 96,942.31

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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.