Home / 150,365.23-207,500.84-82,378.89

Finding the Fourth Proportional to 150,365.23, 207,500.84 and 82,378.89

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Solution

The fourth proportional to 150,365.23, 207,500.84 and 82,378.89 is: 113,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,365.23 : 207,500.84 = 82,378.89 : x
  2. Step 2: Convert to fraction form
    150,365.23/207,500.84 = 82,378.89/x
  3. Step 3: Cross multiply
    150,365.23x = 207,500.84 × 82,378.89
  4. Step 4: Simplify right side
    150,365.23x = 17,093,688,461.37
  5. Step 5: Solve for x
    x = 17,093,688,461.37/150,365.23
  6. Step 6: Final answer
    x = 113,681.12

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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.