Home / 150,301.56-207,419.28-82,321.40

Finding the Fourth Proportional to 150,301.56, 207,419.28 and 82,321.40

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Solution

The fourth proportional to 150,301.56, 207,419.28 and 82,321.40 is: 113,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,301.56 : 207,419.28 = 82,321.40 : x
  2. Step 2: Convert to fraction form
    150,301.56/207,419.28 = 82,321.40/x
  3. Step 3: Cross multiply
    150,301.56x = 207,419.28 × 82,321.40
  4. Step 4: Simplify right side
    150,301.56x = 17,075,044,479.50
  5. Step 5: Solve for x
    x = 17,075,044,479.50/150,301.56
  6. Step 6: Final answer
    x = 113,605.24

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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.