Home / 157,721.84-217,604.04-104,033.60

Finding the Fourth Proportional to 157,721.84, 217,604.04 and 104,033.60

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Solution

The fourth proportional to 157,721.84, 217,604.04 and 104,033.60 is: 143,532.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,721.84 : 217,604.04 = 104,033.60 : x
  2. Step 2: Convert to fraction form
    157,721.84/217,604.04 = 104,033.60/x
  3. Step 3: Cross multiply
    157,721.84x = 217,604.04 × 104,033.60
  4. Step 4: Simplify right side
    157,721.84x = 22,638,131,655.74
  5. Step 5: Solve for x
    x = 22,638,131,655.74/157,721.84
  6. Step 6: Final answer
    x = 143,532.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.