Home / 247,313.49-371,018.34-105,157.14

Finding the Fourth Proportional to 247,313.49, 371,018.34 and 105,157.14

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Solution

The fourth proportional to 247,313.49, 371,018.34 and 105,157.14 is: 157,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,313.49 : 371,018.34 = 105,157.14 : x
  2. Step 2: Convert to fraction form
    247,313.49/371,018.34 = 105,157.14/x
  3. Step 3: Cross multiply
    247,313.49x = 371,018.34 × 105,157.14
  4. Step 4: Simplify right side
    247,313.49x = 39,015,227,521.95
  5. Step 5: Solve for x
    x = 39,015,227,521.95/247,313.49
  6. Step 6: Final answer
    x = 157,756.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.