Home / 163,401.84-245,015.28-69,856.56

Finding the Fourth Proportional to 163,401.84, 245,015.28 and 69,856.56

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Solution

The fourth proportional to 163,401.84, 245,015.28 and 69,856.56 is: 104,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,401.84 : 245,015.28 = 69,856.56 : x
  2. Step 2: Convert to fraction form
    163,401.84/245,015.28 = 69,856.56/x
  3. Step 3: Cross multiply
    163,401.84x = 245,015.28 × 69,856.56
  4. Step 4: Simplify right side
    163,401.84x = 17,115,924,608.24
  5. Step 5: Solve for x
    x = 17,115,924,608.24/163,401.84
  6. Step 6: Final answer
    x = 104,747.44

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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.