Home / 86,856.14-130,308.86-44,767.06

Finding the Fourth Proportional to 86,856.14, 130,308.86 and 44,767.06

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Solution

The fourth proportional to 86,856.14, 130,308.86 and 44,767.06 is: 67,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,856.14 : 130,308.86 = 44,767.06 : x
  2. Step 2: Convert to fraction form
    86,856.14/130,308.86 = 44,767.06/x
  3. Step 3: Cross multiply
    86,856.14x = 130,308.86 × 44,767.06
  4. Step 4: Simplify right side
    86,856.14x = 5,833,543,678.77
  5. Step 5: Solve for x
    x = 5,833,543,678.77/86,856.14
  6. Step 6: Final answer
    x = 67,163.28

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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.