Home / 213,018.72-293,966.79-117,525.39

Finding the Fourth Proportional to 213,018.72, 293,966.79 and 117,525.39

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Solution

The fourth proportional to 213,018.72, 293,966.79 and 117,525.39 is: 162,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,018.72 : 293,966.79 = 117,525.39 : x
  2. Step 2: Convert to fraction form
    213,018.72/293,966.79 = 117,525.39/x
  3. Step 3: Cross multiply
    213,018.72x = 293,966.79 × 117,525.39
  4. Step 4: Simplify right side
    213,018.72x = 34,548,561,641.80
  5. Step 5: Solve for x
    x = 34,548,561,641.80/213,018.72
  6. Step 6: Final answer
    x = 162,185.57

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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.