Home / 74,213.28-102,362.94-45,902.16

Finding the Fourth Proportional to 74,213.28, 102,362.94 and 45,902.16

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Solution

The fourth proportional to 74,213.28, 102,362.94 and 45,902.16 is: 63,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,213.28 : 102,362.94 = 45,902.16 : x
  2. Step 2: Convert to fraction form
    74,213.28/102,362.94 = 45,902.16/x
  3. Step 3: Cross multiply
    74,213.28x = 102,362.94 × 45,902.16
  4. Step 4: Simplify right side
    74,213.28x = 4,698,680,049.95
  5. Step 5: Solve for x
    x = 4,698,680,049.95/74,213.28
  6. Step 6: Final answer
    x = 63,313.20

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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.