Home / 97,516.15-146,263.74-66,127.68

Finding the Fourth Proportional to 97,516.15, 146,263.74 and 66,127.68

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Solution

The fourth proportional to 97,516.15, 146,263.74 and 66,127.68 is: 99,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,516.15 : 146,263.74 = 66,127.68 : x
  2. Step 2: Convert to fraction form
    97,516.15/146,263.74 = 66,127.68/x
  3. Step 3: Cross multiply
    97,516.15x = 146,263.74 × 66,127.68
  4. Step 4: Simplify right side
    97,516.15x = 9,672,082,177.49
  5. Step 5: Solve for x
    x = 9,672,082,177.49/97,516.15
  6. Step 6: Final answer
    x = 99,184.42

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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.