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Finding the Fourth Proportional to 149,433.98, 224,028.81 and 69,521.72

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Solution

The fourth proportional to 149,433.98, 224,028.81 and 69,521.72 is: 104,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,433.98 : 224,028.81 = 69,521.72 : x
  2. Step 2: Convert to fraction form
    149,433.98/224,028.81 = 69,521.72/x
  3. Step 3: Cross multiply
    149,433.98x = 224,028.81 × 69,521.72
  4. Step 4: Simplify right side
    149,433.98x = 15,574,867,080.61
  5. Step 5: Solve for x
    x = 15,574,867,080.61/149,433.98
  6. Step 6: Final answer
    x = 104,225.74

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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.