Home / 86,817.96-130,226.86-40,045.32

Finding the Fourth Proportional to 86,817.96, 130,226.86 and 40,045.32

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Solution

The fourth proportional to 86,817.96, 130,226.86 and 40,045.32 is: 60,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,817.96 : 130,226.86 = 40,045.32 : x
  2. Step 2: Convert to fraction form
    86,817.96/130,226.86 = 40,045.32/x
  3. Step 3: Cross multiply
    86,817.96x = 130,226.86 × 40,045.32
  4. Step 4: Simplify right side
    86,817.96x = 5,214,976,281.30
  5. Step 5: Solve for x
    x = 5,214,976,281.30/86,817.96
  6. Step 6: Final answer
    x = 60,067.94

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1.5x scale

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.