Home / 179,989.79-248,401.28-99,426.11

Finding the Fourth Proportional to 179,989.79, 248,401.28 and 99,426.11

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Solution

The fourth proportional to 179,989.79, 248,401.28 and 99,426.11 is: 137,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,989.79 : 248,401.28 = 99,426.11 : x
  2. Step 2: Convert to fraction form
    179,989.79/248,401.28 = 99,426.11/x
  3. Step 3: Cross multiply
    179,989.79x = 248,401.28 × 99,426.11
  4. Step 4: Simplify right side
    179,989.79x = 24,697,571,995.98
  5. Step 5: Solve for x
    x = 24,697,571,995.98/179,989.79
  6. Step 6: Final answer
    x = 137,216.52

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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.