Home / 122,485.04-169,023.64-68,040.74

Finding the Fourth Proportional to 122,485.04, 169,023.64 and 68,040.74

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Solution

The fourth proportional to 122,485.04, 169,023.64 and 68,040.74 is: 93,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485.04 : 169,023.64 = 68,040.74 : x
  2. Step 2: Convert to fraction form
    122,485.04/169,023.64 = 68,040.74/x
  3. Step 3: Cross multiply
    122,485.04x = 169,023.64 × 68,040.74
  4. Step 4: Simplify right side
    122,485.04x = 11,500,492,697.98
  5. Step 5: Solve for x
    x = 11,500,492,697.98/122,485.04
  6. Step 6: Final answer
    x = 93,893.04

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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.