Home / 126,881.51-190,322.53-51,015.02

Finding the Fourth Proportional to 126,881.51, 190,322.53 and 51,015.02

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Solution

The fourth proportional to 126,881.51, 190,322.53 and 51,015.02 is: 76,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,881.51 : 190,322.53 = 51,015.02 : x
  2. Step 2: Convert to fraction form
    126,881.51/190,322.53 = 51,015.02/x
  3. Step 3: Cross multiply
    126,881.51x = 190,322.53 × 51,015.02
  4. Step 4: Simplify right side
    126,881.51x = 9,709,306,595.25
  5. Step 5: Solve for x
    x = 9,709,306,595.25/126,881.51
  6. Step 6: Final answer
    x = 76,522.63

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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.