Home / 216,398.36-324,156.50-103,735.06

Finding the Fourth Proportional to 216,398.36, 324,156.50 and 103,735.06

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Solution

The fourth proportional to 216,398.36, 324,156.50 and 103,735.06 is: 155,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,398.36 : 324,156.50 = 103,735.06 : x
  2. Step 2: Convert to fraction form
    216,398.36/324,156.50 = 103,735.06/x
  3. Step 3: Cross multiply
    216,398.36x = 324,156.50 × 103,735.06
  4. Step 4: Simplify right side
    216,398.36x = 33,626,393,976.89
  5. Step 5: Solve for x
    x = 33,626,393,976.89/216,398.36
  6. Step 6: Final answer
    x = 155,391.17

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1.5x scale

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.