Home / 97,940.10-146,817.20-31,345.95

Finding the Fourth Proportional to 97,940.10, 146,817.20 and 31,345.95

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Solution

The fourth proportional to 97,940.10, 146,817.20 and 31,345.95 is: 46,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,940.10 : 146,817.20 = 31,345.95 : x
  2. Step 2: Convert to fraction form
    97,940.10/146,817.20 = 31,345.95/x
  3. Step 3: Cross multiply
    97,940.10x = 146,817.20 × 31,345.95
  4. Step 4: Simplify right side
    97,940.10x = 4,602,124,453.61
  5. Step 5: Solve for x
    x = 4,602,124,453.61/97,940.10
  6. Step 6: Final answer
    x = 46,989.17

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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.