Home / 149,378.56-223,946.88-55,870.72

Finding the Fourth Proportional to 149,378.56, 223,946.88 and 55,870.72

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Solution

The fourth proportional to 149,378.56, 223,946.88 and 55,870.72 is: 83,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,378.56 : 223,946.88 = 55,870.72 : x
  2. Step 2: Convert to fraction form
    149,378.56/223,946.88 = 55,870.72/x
  3. Step 3: Cross multiply
    149,378.56x = 223,946.88 × 55,870.72
  4. Step 4: Simplify right side
    149,378.56x = 12,512,073,427.35
  5. Step 5: Solve for x
    x = 12,512,073,427.35/149,378.56
  6. Step 6: Final answer
    x = 83,760.84

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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.