Home / 212,812.62-293,681.43-122,174.46

Finding the Fourth Proportional to 212,812.62, 293,681.43 and 122,174.46

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Solution

The fourth proportional to 212,812.62, 293,681.43 and 122,174.46 is: 168,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,812.62 : 293,681.43 = 122,174.46 : x
  2. Step 2: Convert to fraction form
    212,812.62/293,681.43 = 122,174.46/x
  3. Step 3: Cross multiply
    212,812.62x = 293,681.43 × 122,174.46
  4. Step 4: Simplify right side
    212,812.62x = 35,880,370,122.28
  5. Step 5: Solve for x
    x = 35,880,370,122.28/212,812.62
  6. Step 6: Final answer
    x = 168,600.76

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1.5x scale

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.