Home / 113,438.41-170,157.62-30,330.25

Finding the Fourth Proportional to 113,438.41, 170,157.62 and 30,330.25

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Solution

The fourth proportional to 113,438.41, 170,157.62 and 30,330.25 is: 45,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,438.41 : 170,157.62 = 30,330.25 : x
  2. Step 2: Convert to fraction form
    113,438.41/170,157.62 = 30,330.25/x
  3. Step 3: Cross multiply
    113,438.41x = 170,157.62 × 30,330.25
  4. Step 4: Simplify right side
    113,438.41x = 5,160,923,154.01
  5. Step 5: Solve for x
    x = 5,160,923,154.01/113,438.41
  6. Step 6: Final answer
    x = 45,495.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.