Home / 122,431.15-168,946.75-67,980.52

Finding the Fourth Proportional to 122,431.15, 168,946.75 and 67,980.52

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Solution

The fourth proportional to 122,431.15, 168,946.75 and 67,980.52 is: 93,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,431.15 : 168,946.75 = 67,980.52 : x
  2. Step 2: Convert to fraction form
    122,431.15/168,946.75 = 67,980.52/x
  3. Step 3: Cross multiply
    122,431.15x = 168,946.75 × 67,980.52
  4. Step 4: Simplify right side
    122,431.15x = 11,485,088,169.73
  5. Step 5: Solve for x
    x = 11,485,088,169.73/122,431.15
  6. Step 6: Final answer
    x = 93,808.54

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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.