Home / 97,557.79-146,321.43-30,989.17

Finding the Fourth Proportional to 97,557.79, 146,321.43 and 30,989.17

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Solution

The fourth proportional to 97,557.79, 146,321.43 and 30,989.17 is: 46,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,557.79 : 146,321.43 = 30,989.17 : x
  2. Step 2: Convert to fraction form
    97,557.79/146,321.43 = 30,989.17/x
  3. Step 3: Cross multiply
    97,557.79x = 146,321.43 × 30,989.17
  4. Step 4: Simplify right side
    97,557.79x = 4,534,379,668.91
  5. Step 5: Solve for x
    x = 4,534,379,668.91/97,557.79
  6. Step 6: Final answer
    x = 46,478.91

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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.