Home / 135,102.24-186,466.78-89,080.94

Finding the Fourth Proportional to 135,102.24, 186,466.78 and 89,080.94

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Solution

The fourth proportional to 135,102.24, 186,466.78 and 89,080.94 is: 122,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,102.24 : 186,466.78 = 89,080.94 : x
  2. Step 2: Convert to fraction form
    135,102.24/186,466.78 = 89,080.94/x
  3. Step 3: Cross multiply
    135,102.24x = 186,466.78 × 89,080.94
  4. Step 4: Simplify right side
    135,102.24x = 16,610,636,041.17
  5. Step 5: Solve for x
    x = 16,610,636,041.17/135,102.24
  6. Step 6: Final answer
    x = 122,948.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.