Home / 97,660.85-146,502-31,085.37

Finding the Fourth Proportional to 97,660.85, 146,502 and 31,085.37

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Solution

The fourth proportional to 97,660.85, 146,502 and 31,085.37 is: 46,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,660.85 : 146,502 = 31,085.37 : x
  2. Step 2: Convert to fraction form
    97,660.85/146,502 = 31,085.37/x
  3. Step 3: Cross multiply
    97,660.85x = 146,502 × 31,085.37
  4. Step 4: Simplify right side
    97,660.85x = 4,554,068,875.74
  5. Step 5: Solve for x
    x = 4,554,068,875.74/97,660.85
  6. Step 6: Final answer
    x = 46,631.47

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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.