Home / 86,903.45-130,249.91-36,878.46

Finding the Fourth Proportional to 86,903.45, 130,249.91 and 36,878.46

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Solution

The fourth proportional to 86,903.45, 130,249.91 and 36,878.46 is: 55,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,903.45 : 130,249.91 = 36,878.46 : x
  2. Step 2: Convert to fraction form
    86,903.45/130,249.91 = 36,878.46/x
  3. Step 3: Cross multiply
    86,903.45x = 130,249.91 × 36,878.46
  4. Step 4: Simplify right side
    86,903.45x = 4,803,415,911.55
  5. Step 5: Solve for x
    x = 4,803,415,911.55/86,903.45
  6. Step 6: Final answer
    x = 55,273.02

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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.