Home / 122,614.38-169,208.10-68,899.50

Finding the Fourth Proportional to 122,614.38, 169,208.10 and 68,899.50

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Solution

The fourth proportional to 122,614.38, 169,208.10 and 68,899.50 is: 95,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,614.38 : 169,208.10 = 68,899.50 : x
  2. Step 2: Convert to fraction form
    122,614.38/169,208.10 = 68,899.50/x
  3. Step 3: Cross multiply
    122,614.38x = 169,208.10 × 68,899.50
  4. Step 4: Simplify right side
    122,614.38x = 11,658,353,485.95
  5. Step 5: Solve for x
    x = 11,658,353,485.95/122,614.38
  6. Step 6: Final answer
    x = 95,081.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.