Home / 113,820.80-157,067.84-63,519.36

Finding the Fourth Proportional to 113,820.80, 157,067.84 and 63,519.36

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Solution

The fourth proportional to 113,820.80, 157,067.84 and 63,519.36 is: 87,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.80 : 157,067.84 = 63,519.36 : x
  2. Step 2: Convert to fraction form
    113,820.80/157,067.84 = 63,519.36/x
  3. Step 3: Cross multiply
    113,820.80x = 157,067.84 × 63,519.36
  4. Step 4: Simplify right side
    113,820.80x = 9,976,848,673.38
  5. Step 5: Solve for x
    x = 9,976,848,673.38/113,820.80
  6. Step 6: Final answer
    x = 87,654.00

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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.