Home / 74,190.02-102,382.13-40,199.37

Finding the Fourth Proportional to 74,190.02, 102,382.13 and 40,199.37

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Solution

The fourth proportional to 74,190.02, 102,382.13 and 40,199.37 is: 55,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.02 : 102,382.13 = 40,199.37 : x
  2. Step 2: Convert to fraction form
    74,190.02/102,382.13 = 40,199.37/x
  3. Step 3: Cross multiply
    74,190.02x = 102,382.13 × 40,199.37
  4. Step 4: Simplify right side
    74,190.02x = 4,115,696,924.26
  5. Step 5: Solve for x
    x = 4,115,696,924.26/74,190.02
  6. Step 6: Final answer
    x = 55,475.08

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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.