Home / 110,853.70-166,280.55-77,611.30

Finding the Fourth Proportional to 110,853.70, 166,280.55 and 77,611.30

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Solution

The fourth proportional to 110,853.70, 166,280.55 and 77,611.30 is: 116,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,853.70 : 166,280.55 = 77,611.30 : x
  2. Step 2: Convert to fraction form
    110,853.70/166,280.55 = 77,611.30/x
  3. Step 3: Cross multiply
    110,853.70x = 166,280.55 × 77,611.30
  4. Step 4: Simplify right side
    110,853.70x = 12,905,249,650.22
  5. Step 5: Solve for x
    x = 12,905,249,650.22/110,853.70
  6. Step 6: Final answer
    x = 116,416.95

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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.