Home / 168,172.10-252,141.50-89,341.68

Finding the Fourth Proportional to 168,172.10, 252,141.50 and 89,341.68

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Solution

The fourth proportional to 168,172.10, 252,141.50 and 89,341.68 is: 133,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,172.10 : 252,141.50 = 89,341.68 : x
  2. Step 2: Convert to fraction form
    168,172.10/252,141.50 = 89,341.68/x
  3. Step 3: Cross multiply
    168,172.10x = 252,141.50 × 89,341.68
  4. Step 4: Simplify right side
    168,172.10x = 22,526,745,431.07
  5. Step 5: Solve for x
    x = 22,526,745,431.07/168,172.10
  6. Step 6: Final answer
    x = 133,950.55

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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.