Home / 74,156.28-102,338.22-40,622.28

Finding the Fourth Proportional to 74,156.28, 102,338.22 and 40,622.28

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Solution

The fourth proportional to 74,156.28, 102,338.22 and 40,622.28 is: 56,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,156.28 : 102,338.22 = 40,622.28 : x
  2. Step 2: Convert to fraction form
    74,156.28/102,338.22 = 40,622.28/x
  3. Step 3: Cross multiply
    74,156.28x = 102,338.22 × 40,622.28
  4. Step 4: Simplify right side
    74,156.28x = 4,157,211,827.54
  5. Step 5: Solve for x
    x = 4,157,211,827.54/74,156.28
  6. Step 6: Final answer
    x = 56,060.15

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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.