Home / 117,974.34-162,840.16-80,270.46

Finding the Fourth Proportional to 117,974.34, 162,840.16 and 80,270.46

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Solution

The fourth proportional to 117,974.34, 162,840.16 and 80,270.46 is: 110,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,974.34 : 162,840.16 = 80,270.46 : x
  2. Step 2: Convert to fraction form
    117,974.34/162,840.16 = 80,270.46/x
  3. Step 3: Cross multiply
    117,974.34x = 162,840.16 × 80,270.46
  4. Step 4: Simplify right side
    117,974.34x = 13,071,254,549.67
  5. Step 5: Solve for x
    x = 13,071,254,549.67/117,974.34
  6. Step 6: Final answer
    x = 110,797.44

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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.