Home / 74,182.91-102,372.26-40,192.25

Finding the Fourth Proportional to 74,182.91, 102,372.26 and 40,192.25

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Solution

The fourth proportional to 74,182.91, 102,372.26 and 40,192.25 is: 55,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,182.91 : 102,372.26 = 40,192.25 : x
  2. Step 2: Convert to fraction form
    74,182.91/102,372.26 = 40,192.25/x
  3. Step 3: Cross multiply
    74,182.91x = 102,372.26 × 40,192.25
  4. Step 4: Simplify right side
    74,182.91x = 4,114,570,754.16
  5. Step 5: Solve for x
    x = 4,114,570,754.16/74,182.91
  6. Step 6: Final answer
    x = 55,465.21

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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.