Home / 158,160.40-237,119.10-79,331.20

Finding the Fourth Proportional to 158,160.40, 237,119.10 and 79,331.20

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Solution

The fourth proportional to 158,160.40, 237,119.10 and 79,331.20 is: 118,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,160.40 : 237,119.10 = 79,331.20 : x
  2. Step 2: Convert to fraction form
    158,160.40/237,119.10 = 79,331.20/x
  3. Step 3: Cross multiply
    158,160.40x = 237,119.10 × 79,331.20
  4. Step 4: Simplify right side
    158,160.40x = 18,810,942,745.92
  5. Step 5: Solve for x
    x = 18,810,942,745.92/158,160.40
  6. Step 6: Final answer
    x = 118,935.86

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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.