Home / 74,147.36-102,324.84-40,613.36

Finding the Fourth Proportional to 74,147.36, 102,324.84 and 40,613.36

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Solution

The fourth proportional to 74,147.36, 102,324.84 and 40,613.36 is: 56,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,147.36 : 102,324.84 = 40,613.36 : x
  2. Step 2: Convert to fraction form
    74,147.36/102,324.84 = 40,613.36/x
  3. Step 3: Cross multiply
    74,147.36x = 102,324.84 × 40,613.36
  4. Step 4: Simplify right side
    74,147.36x = 4,155,755,563.86
  5. Step 5: Solve for x
    x = 4,155,755,563.86/74,147.36
  6. Step 6: Final answer
    x = 56,047.25

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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.