Home / 149,307.57-223,888.46-65,138.85

Finding the Fourth Proportional to 149,307.57, 223,888.46 and 65,138.85

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Solution

The fourth proportional to 149,307.57, 223,888.46 and 65,138.85 is: 97,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,307.57 : 223,888.46 = 65,138.85 : x
  2. Step 2: Convert to fraction form
    149,307.57/223,888.46 = 65,138.85/x
  3. Step 3: Cross multiply
    149,307.57x = 223,888.46 × 65,138.85
  4. Step 4: Simplify right side
    149,307.57x = 14,583,836,486.98
  5. Step 5: Solve for x
    x = 14,583,836,486.98/149,307.57
  6. Step 6: Final answer
    x = 97,676.47

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1.5x scale

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.