Home / 126,995.84-175,262.11-70,407.21

Finding the Fourth Proportional to 126,995.84, 175,262.11 and 70,407.21

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Solution

The fourth proportional to 126,995.84, 175,262.11 and 70,407.21 is: 97,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,995.84 : 175,262.11 = 70,407.21 : x
  2. Step 2: Convert to fraction form
    126,995.84/175,262.11 = 70,407.21/x
  3. Step 3: Cross multiply
    126,995.84x = 175,262.11 × 70,407.21
  4. Step 4: Simplify right side
    126,995.84x = 12,339,716,183.81
  5. Step 5: Solve for x
    x = 12,339,716,183.81/126,995.84
  6. Step 6: Final answer
    x = 97,166.31

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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.