Home / 74,150.63-102,327.28-40,158.33

Finding the Fourth Proportional to 74,150.63, 102,327.28 and 40,158.33

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Solution

The fourth proportional to 74,150.63, 102,327.28 and 40,158.33 is: 55,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.63 : 102,327.28 = 40,158.33 : x
  2. Step 2: Convert to fraction form
    74,150.63/102,327.28 = 40,158.33/x
  3. Step 3: Cross multiply
    74,150.63x = 102,327.28 × 40,158.33
  4. Step 4: Simplify right side
    74,150.63x = 4,109,292,194.12
  5. Step 5: Solve for x
    x = 4,109,292,194.12/74,150.63
  6. Step 6: Final answer
    x = 55,418.17

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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.