Home / 126,864.36-190,259.82-42,615.18

Finding the Fourth Proportional to 126,864.36, 190,259.82 and 42,615.18

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Solution

The fourth proportional to 126,864.36, 190,259.82 and 42,615.18 is: 63,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,864.36 : 190,259.82 = 42,615.18 : x
  2. Step 2: Convert to fraction form
    126,864.36/190,259.82 = 42,615.18/x
  3. Step 3: Cross multiply
    126,864.36x = 190,259.82 × 42,615.18
  4. Step 4: Simplify right side
    126,864.36x = 8,107,956,476.07
  5. Step 5: Solve for x
    x = 8,107,956,476.07/126,864.36
  6. Step 6: Final answer
    x = 63,910.44

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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.