Home / 103,011.14-154,492.52-28,113.48

Finding the Fourth Proportional to 103,011.14, 154,492.52 and 28,113.48

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Solution

The fourth proportional to 103,011.14, 154,492.52 and 28,113.48 is: 42,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,011.14 : 154,492.52 = 28,113.48 : x
  2. Step 2: Convert to fraction form
    103,011.14/154,492.52 = 28,113.48/x
  3. Step 3: Cross multiply
    103,011.14x = 154,492.52 × 28,113.48
  4. Step 4: Simplify right side
    103,011.14x = 4,343,322,230.60
  5. Step 5: Solve for x
    x = 4,343,322,230.60/103,011.14
  6. Step 6: Final answer
    x = 42,163.62

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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.