Home / 126,665.84-189,937.38-51,756.24

Finding the Fourth Proportional to 126,665.84, 189,937.38 and 51,756.24

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Solution

The fourth proportional to 126,665.84, 189,937.38 and 51,756.24 is: 77,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,665.84 : 189,937.38 = 51,756.24 : x
  2. Step 2: Convert to fraction form
    126,665.84/189,937.38 = 51,756.24/x
  3. Step 3: Cross multiply
    126,665.84x = 189,937.38 × 51,756.24
  4. Step 4: Simplify right side
    126,665.84x = 9,830,444,624.25
  5. Step 5: Solve for x
    x = 9,830,444,624.25/126,665.84
  6. Step 6: Final answer
    x = 77,609.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.