Home / 188,050.80-282,020-99,255.36

Finding the Fourth Proportional to 188,050.80, 282,020 and 99,255.36

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Solution

The fourth proportional to 188,050.80, 282,020 and 99,255.36 is: 148,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,050.80 : 282,020 = 99,255.36 : x
  2. Step 2: Convert to fraction form
    188,050.80/282,020 = 99,255.36/x
  3. Step 3: Cross multiply
    188,050.80x = 282,020 × 99,255.36
  4. Step 4: Simplify right side
    188,050.80x = 27,991,996,627.20
  5. Step 5: Solve for x
    x = 27,991,996,627.20/188,050.80
  6. Step 6: Final answer
    x = 148,853.38

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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.