Home / 74,118.07-102,282.22-40,125.68

Finding the Fourth Proportional to 74,118.07, 102,282.22 and 40,125.68

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Solution

The fourth proportional to 74,118.07, 102,282.22 and 40,125.68 is: 55,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118.07 : 102,282.22 = 40,125.68 : x
  2. Step 2: Convert to fraction form
    74,118.07/102,282.22 = 40,125.68/x
  3. Step 3: Cross multiply
    74,118.07x = 102,282.22 × 40,125.68
  4. Step 4: Simplify right side
    74,118.07x = 4,104,143,428.78
  5. Step 5: Solve for x
    x = 4,104,143,428.78/74,118.07
  6. Step 6: Final answer
    x = 55,373.05

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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.