Home / 188,556.46-282,452.55-87,210.70

Finding the Fourth Proportional to 188,556.46, 282,452.55 and 87,210.70

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Solution

The fourth proportional to 188,556.46, 282,452.55 and 87,210.70 is: 130,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,556.46 : 282,452.55 = 87,210.70 : x
  2. Step 2: Convert to fraction form
    188,556.46/282,452.55 = 87,210.70/x
  3. Step 3: Cross multiply
    188,556.46x = 282,452.55 × 87,210.70
  4. Step 4: Simplify right side
    188,556.46x = 24,632,884,602.29
  5. Step 5: Solve for x
    x = 24,632,884,602.29/188,556.46
  6. Step 6: Final answer
    x = 130,639.30

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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.