Home / 82,364.72-123,313.59-54,200.07

Finding the Fourth Proportional to 82,364.72, 123,313.59 and 54,200.07

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Solution

The fourth proportional to 82,364.72, 123,313.59 and 54,200.07 is: 81,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,364.72 : 123,313.59 = 54,200.07 : x
  2. Step 2: Convert to fraction form
    82,364.72/123,313.59 = 54,200.07/x
  3. Step 3: Cross multiply
    82,364.72x = 123,313.59 × 54,200.07
  4. Step 4: Simplify right side
    82,364.72x = 6,683,605,209.95
  5. Step 5: Solve for x
    x = 6,683,605,209.95/82,364.72
  6. Step 6: Final answer
    x = 81,146.46

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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.