Home / 188,703.40-282,675.18-87,358.60

Finding the Fourth Proportional to 188,703.40, 282,675.18 and 87,358.60

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Solution

The fourth proportional to 188,703.40, 282,675.18 and 87,358.60 is: 130,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,703.40 : 282,675.18 = 87,358.60 : x
  2. Step 2: Convert to fraction form
    188,703.40/282,675.18 = 87,358.60/x
  3. Step 3: Cross multiply
    188,703.40x = 282,675.18 × 87,358.60
  4. Step 4: Simplify right side
    188,703.40x = 24,694,107,979.55
  5. Step 5: Solve for x
    x = 24,694,107,979.55/188,703.40
  6. Step 6: Final answer
    x = 130,862.02

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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.