Home / 122,783.95-169,449.26-69,072.45

Finding the Fourth Proportional to 122,783.95, 169,449.26 and 69,072.45

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Solution

The fourth proportional to 122,783.95, 169,449.26 and 69,072.45 is: 95,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,783.95 : 169,449.26 = 69,072.45 : x
  2. Step 2: Convert to fraction form
    122,783.95/169,449.26 = 69,072.45/x
  3. Step 3: Cross multiply
    122,783.95x = 169,449.26 × 69,072.45
  4. Step 4: Simplify right side
    122,783.95x = 11,704,275,538.89
  5. Step 5: Solve for x
    x = 11,704,275,538.89/122,783.95
  6. Step 6: Final answer
    x = 95,324.15

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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.