Home / 154,313.86-212,939.13-97,724.02

Finding the Fourth Proportional to 154,313.86, 212,939.13 and 97,724.02

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Solution

The fourth proportional to 154,313.86, 212,939.13 and 97,724.02 is: 134,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,313.86 : 212,939.13 = 97,724.02 : x
  2. Step 2: Convert to fraction form
    154,313.86/212,939.13 = 97,724.02/x
  3. Step 3: Cross multiply
    154,313.86x = 212,939.13 × 97,724.02
  4. Step 4: Simplify right side
    154,313.86x = 20,809,267,798.90
  5. Step 5: Solve for x
    x = 20,809,267,798.90/154,313.86
  6. Step 6: Final answer
    x = 134,850.28

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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.