Home / 282,152.16-423,231.48-71,790.30

Finding the Fourth Proportional to 282,152.16, 423,231.48 and 71,790.30

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Solution

The fourth proportional to 282,152.16, 423,231.48 and 71,790.30 is: 107,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,152.16 : 423,231.48 = 71,790.30 : x
  2. Step 2: Convert to fraction form
    282,152.16/423,231.48 = 71,790.30/x
  3. Step 3: Cross multiply
    282,152.16x = 423,231.48 × 71,790.30
  4. Step 4: Simplify right side
    282,152.16x = 30,383,914,918.64
  5. Step 5: Solve for x
    x = 30,383,914,918.64/282,152.16
  6. Step 6: Final answer
    x = 107,686.27

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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.