Home / 125,936.10-188,904.15-88,538.40

Finding the Fourth Proportional to 125,936.10, 188,904.15 and 88,538.40

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Solution

The fourth proportional to 125,936.10, 188,904.15 and 88,538.40 is: 132,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,936.10 : 188,904.15 = 88,538.40 : x
  2. Step 2: Convert to fraction form
    125,936.10/188,904.15 = 88,538.40/x
  3. Step 3: Cross multiply
    125,936.10x = 188,904.15 × 88,538.40
  4. Step 4: Simplify right side
    125,936.10x = 16,725,271,194.36
  5. Step 5: Solve for x
    x = 16,725,271,194.36/125,936.10
  6. Step 6: Final answer
    x = 132,807.60

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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.