Home / 86,815.83-130,137.54-49,298.25

Finding the Fourth Proportional to 86,815.83, 130,137.54 and 49,298.25

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Solution

The fourth proportional to 86,815.83, 130,137.54 and 49,298.25 is: 73,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,815.83 : 130,137.54 = 49,298.25 : x
  2. Step 2: Convert to fraction form
    86,815.83/130,137.54 = 49,298.25/x
  3. Step 3: Cross multiply
    86,815.83x = 130,137.54 × 49,298.25
  4. Step 4: Simplify right side
    86,815.83x = 6,415,553,284.45
  5. Step 5: Solve for x
    x = 6,415,553,284.45/86,815.83
  6. Step 6: Final answer
    x = 73,898.42

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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.