Home / 74,216.52-102,418.56-40,225.14

Finding the Fourth Proportional to 74,216.52, 102,418.56 and 40,225.14

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Solution

The fourth proportional to 74,216.52, 102,418.56 and 40,225.14 is: 55,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,216.52 : 102,418.56 = 40,225.14 : x
  2. Step 2: Convert to fraction form
    74,216.52/102,418.56 = 40,225.14/x
  3. Step 3: Cross multiply
    74,216.52x = 102,418.56 × 40,225.14
  4. Step 4: Simplify right side
    74,216.52x = 4,119,800,914.60
  5. Step 5: Solve for x
    x = 4,119,800,914.60/74,216.52
  6. Step 6: Final answer
    x = 55,510.56

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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.