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Finding the Fourth Proportional to 149,054.64, 223,364.52 and 69,117

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Solution

The fourth proportional to 149,054.64, 223,364.52 and 69,117 is: 103,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,054.64 : 223,364.52 = 69,117 : x
  2. Step 2: Convert to fraction form
    149,054.64/223,364.52 = 69,117/x
  3. Step 3: Cross multiply
    149,054.64x = 223,364.52 × 69,117
  4. Step 4: Simplify right side
    149,054.64x = 15,438,285,528.84
  5. Step 5: Solve for x
    x = 15,438,285,528.84/149,054.64
  6. Step 6: Final answer
    x = 103,574.67

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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.