Home / 122,762.08-169,416.72-69,049.60

Finding the Fourth Proportional to 122,762.08, 169,416.72 and 69,049.60

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Solution

The fourth proportional to 122,762.08, 169,416.72 and 69,049.60 is: 95,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,762.08 : 169,416.72 = 69,049.60 : x
  2. Step 2: Convert to fraction form
    122,762.08/169,416.72 = 69,049.60/x
  3. Step 3: Cross multiply
    122,762.08x = 169,416.72 × 69,049.60
  4. Step 4: Simplify right side
    122,762.08x = 11,698,156,749.31
  5. Step 5: Solve for x
    x = 11,698,156,749.31/122,762.08
  6. Step 6: Final answer
    x = 95,291.29

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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.