Home / 74,126.37-102,293.17-40,134.59

Finding the Fourth Proportional to 74,126.37, 102,293.17 and 40,134.59

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Solution

The fourth proportional to 74,126.37, 102,293.17 and 40,134.59 is: 55,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126.37 : 102,293.17 = 40,134.59 : x
  2. Step 2: Convert to fraction form
    74,126.37/102,293.17 = 40,134.59/x
  3. Step 3: Cross multiply
    74,126.37x = 102,293.17 × 40,134.59
  4. Step 4: Simplify right side
    74,126.37x = 4,105,494,437.75
  5. Step 5: Solve for x
    x = 4,105,494,437.75/74,126.37
  6. Step 6: Final answer
    x = 55,385.07

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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.