Home / 152,219.36-210,147.16-91,805.36

Finding the Fourth Proportional to 152,219.36, 210,147.16 and 91,805.36

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Solution

The fourth proportional to 152,219.36, 210,147.16 and 91,805.36 is: 126,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,219.36 : 210,147.16 = 91,805.36 : x
  2. Step 2: Convert to fraction form
    152,219.36/210,147.16 = 91,805.36/x
  3. Step 3: Cross multiply
    152,219.36x = 210,147.16 × 91,805.36
  4. Step 4: Simplify right side
    152,219.36x = 19,292,635,676.78
  5. Step 5: Solve for x
    x = 19,292,635,676.78/152,219.36
  6. Step 6: Final answer
    x = 126,742.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.