Home / 126,459.90-189,716.04-51,580.26

Finding the Fourth Proportional to 126,459.90, 189,716.04 and 51,580.26

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Solution

The fourth proportional to 126,459.90, 189,716.04 and 51,580.26 is: 77,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,459.90 : 189,716.04 = 51,580.26 : x
  2. Step 2: Convert to fraction form
    126,459.90/189,716.04 = 51,580.26/x
  3. Step 3: Cross multiply
    126,459.90x = 189,716.04 × 51,580.26
  4. Step 4: Simplify right side
    126,459.90x = 9,785,602,669.37
  5. Step 5: Solve for x
    x = 9,785,602,669.37/126,459.90
  6. Step 6: Final answer
    x = 77,381.07

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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.