Home / 122,381.32-168,885.24-68,665.24

Finding the Fourth Proportional to 122,381.32, 168,885.24 and 68,665.24

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Solution

The fourth proportional to 122,381.32, 168,885.24 and 68,665.24 is: 94,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,381.32 : 168,885.24 = 68,665.24 : x
  2. Step 2: Convert to fraction form
    122,381.32/168,885.24 = 68,665.24/x
  3. Step 3: Cross multiply
    122,381.32x = 168,885.24 × 68,665.24
  4. Step 4: Simplify right side
    122,381.32x = 11,596,545,537.06
  5. Step 5: Solve for x
    x = 11,596,545,537.06/122,381.32
  6. Step 6: Final answer
    x = 94,757.48

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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.