Home / 188,424.08-260,013-107,852.24

Finding the Fourth Proportional to 188,424.08, 260,013 and 107,852.24

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Solution

The fourth proportional to 188,424.08, 260,013 and 107,852.24 is: 148,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,424.08 : 260,013 = 107,852.24 : x
  2. Step 2: Convert to fraction form
    188,424.08/260,013 = 107,852.24/x
  3. Step 3: Cross multiply
    188,424.08x = 260,013 × 107,852.24
  4. Step 4: Simplify right side
    188,424.08x = 28,042,984,479.12
  5. Step 5: Solve for x
    x = 28,042,984,479.12/188,424.08
  6. Step 6: Final answer
    x = 148,829.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.