Home / 150,263.79-207,368.72-82,287.21

Finding the Fourth Proportional to 150,263.79, 207,368.72 and 82,287.21

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Solution

The fourth proportional to 150,263.79, 207,368.72 and 82,287.21 is: 113,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,263.79 : 207,368.72 = 82,287.21 : x
  2. Step 2: Convert to fraction form
    150,263.79/207,368.72 = 82,287.21/x
  3. Step 3: Cross multiply
    150,263.79x = 207,368.72 × 82,287.21
  4. Step 4: Simplify right side
    150,263.79x = 17,063,794,084.84
  5. Step 5: Solve for x
    x = 17,063,794,084.84/150,263.79
  6. Step 6: Final answer
    x = 113,558.93

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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.