Home / 89,698.45-134,547.86-84,217.96

Finding the Fourth Proportional to 89,698.45, 134,547.86 and 84,217.96

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Solution

The fourth proportional to 89,698.45, 134,547.86 and 84,217.96 is: 126,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,698.45 : 134,547.86 = 84,217.96 : x
  2. Step 2: Convert to fraction form
    89,698.45/134,547.86 = 84,217.96/x
  3. Step 3: Cross multiply
    89,698.45x = 134,547.86 × 84,217.96
  4. Step 4: Simplify right side
    89,698.45x = 11,331,346,433.43
  5. Step 5: Solve for x
    x = 11,331,346,433.43/89,698.45
  6. Step 6: Final answer
    x = 126,327.12

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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.