Home / 122,679.08-183,675.50-66,316.94

Finding the Fourth Proportional to 122,679.08, 183,675.50 and 66,316.94

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Solution

The fourth proportional to 122,679.08, 183,675.50 and 66,316.94 is: 99,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,679.08 : 183,675.50 = 66,316.94 : x
  2. Step 2: Convert to fraction form
    122,679.08/183,675.50 = 66,316.94/x
  3. Step 3: Cross multiply
    122,679.08x = 183,675.50 × 66,316.94
  4. Step 4: Simplify right side
    122,679.08x = 12,180,797,112.97
  5. Step 5: Solve for x
    x = 12,180,797,112.97/122,679.08
  6. Step 6: Final answer
    x = 99,289.93

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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.