Home / 255,979.04-384,014.14-87,518.10

Finding the Fourth Proportional to 255,979.04, 384,014.14 and 87,518.10

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Solution

The fourth proportional to 255,979.04, 384,014.14 and 87,518.10 is: 131,292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,979.04 : 384,014.14 = 87,518.10 : x
  2. Step 2: Convert to fraction form
    255,979.04/384,014.14 = 87,518.10/x
  3. Step 3: Cross multiply
    255,979.04x = 384,014.14 × 87,518.10
  4. Step 4: Simplify right side
    255,979.04x = 33,608,187,905.93
  5. Step 5: Solve for x
    x = 33,608,187,905.93/255,979.04
  6. Step 6: Final answer
    x = 131,292.73

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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.