Home / 108,050.46-161,993.07-89,271.42

Finding the Fourth Proportional to 108,050.46, 161,993.07 and 89,271.42

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Solution

The fourth proportional to 108,050.46, 161,993.07 and 89,271.42 is: 133,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,050.46 : 161,993.07 = 89,271.42 : x
  2. Step 2: Convert to fraction form
    108,050.46/161,993.07 = 89,271.42/x
  3. Step 3: Cross multiply
    108,050.46x = 161,993.07 × 89,271.42
  4. Step 4: Simplify right side
    108,050.46x = 14,461,351,389.06
  5. Step 5: Solve for x
    x = 14,461,351,389.06/108,050.46
  6. Step 6: Final answer
    x = 133,838.87

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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.