Home / 122,485.34-169,016.72-68,776.22

Finding the Fourth Proportional to 122,485.34, 169,016.72 and 68,776.22

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Solution

The fourth proportional to 122,485.34, 169,016.72 and 68,776.22 is: 94,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485.34 : 169,016.72 = 68,776.22 : x
  2. Step 2: Convert to fraction form
    122,485.34/169,016.72 = 68,776.22/x
  3. Step 3: Cross multiply
    122,485.34x = 169,016.72 × 68,776.22
  4. Step 4: Simplify right side
    122,485.34x = 11,624,331,118.40
  5. Step 5: Solve for x
    x = 11,624,331,118.40/122,485.34
  6. Step 6: Final answer
    x = 94,903.86

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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.