Home / 74,021.37-102,159.23-42,182.97

Finding the Fourth Proportional to 74,021.37, 102,159.23 and 42,182.97

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Solution

The fourth proportional to 74,021.37, 102,159.23 and 42,182.97 is: 58,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,021.37 : 102,159.23 = 42,182.97 : x
  2. Step 2: Convert to fraction form
    74,021.37/102,159.23 = 42,182.97/x
  3. Step 3: Cross multiply
    74,021.37x = 102,159.23 × 42,182.97
  4. Step 4: Simplify right side
    74,021.37x = 4,309,379,523.40
  5. Step 5: Solve for x
    x = 4,309,379,523.40/74,021.37
  6. Step 6: Final answer
    x = 58,218.05

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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.