Home / 126,646.74-189,955.53-51,715.26

Finding the Fourth Proportional to 126,646.74, 189,955.53 and 51,715.26

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Solution

The fourth proportional to 126,646.74, 189,955.53 and 51,715.26 is: 77,566.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,646.74 : 189,955.53 = 51,715.26 : x
  2. Step 2: Convert to fraction form
    126,646.74/189,955.53 = 51,715.26/x
  3. Step 3: Cross multiply
    126,646.74x = 189,955.53 × 51,715.26
  4. Step 4: Simplify right side
    126,646.74x = 9,823,599,622.39
  5. Step 5: Solve for x
    x = 9,823,599,622.39/126,646.74
  6. Step 6: Final answer
    x = 77,566.94

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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.