Home / 124,847.80-187,271.70-82,857.40

Finding the Fourth Proportional to 124,847.80, 187,271.70 and 82,857.40

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Solution

The fourth proportional to 124,847.80, 187,271.70 and 82,857.40 is: 124,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,847.80 : 187,271.70 = 82,857.40 : x
  2. Step 2: Convert to fraction form
    124,847.80/187,271.70 = 82,857.40/x
  3. Step 3: Cross multiply
    124,847.80x = 187,271.70 × 82,857.40
  4. Step 4: Simplify right side
    124,847.80x = 15,516,846,155.58
  5. Step 5: Solve for x
    x = 15,516,846,155.58/124,847.80
  6. Step 6: Final answer
    x = 124,286.10

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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.