Home / 132,905.80-199,067.10-118,131.40

Finding the Fourth Proportional to 132,905.80, 199,067.10 and 118,131.40

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Solution

The fourth proportional to 132,905.80, 199,067.10 and 118,131.40 is: 176,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,905.80 : 199,067.10 = 118,131.40 : x
  2. Step 2: Convert to fraction form
    132,905.80/199,067.10 = 118,131.40/x
  3. Step 3: Cross multiply
    132,905.80x = 199,067.10 × 118,131.40
  4. Step 4: Simplify right side
    132,905.80x = 23,516,075,216.94
  5. Step 5: Solve for x
    x = 23,516,075,216.94/132,905.80
  6. Step 6: Final answer
    x = 176,937.92

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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.