Home / 74,156.76-102,336.14-40,165.11

Finding the Fourth Proportional to 74,156.76, 102,336.14 and 40,165.11

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Solution

The fourth proportional to 74,156.76, 102,336.14 and 40,165.11 is: 55,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156.76 : 102,336.14 = 40,165.11 : x
  2. Step 2: Convert to fraction form
    74,156.76/102,336.14 = 40,165.11/x
  3. Step 3: Cross multiply
    74,156.76x = 102,336.14 × 40,165.11
  4. Step 4: Simplify right side
    74,156.76x = 4,110,342,119.25
  5. Step 5: Solve for x
    x = 4,110,342,119.25/74,156.76
  6. Step 6: Final answer
    x = 55,427.75

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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.