Home / 120,648.62-166,496.10-66,937.16

Finding the Fourth Proportional to 120,648.62, 166,496.10 and 66,937.16

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Solution

The fourth proportional to 120,648.62, 166,496.10 and 66,937.16 is: 92,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,648.62 : 166,496.10 = 66,937.16 : x
  2. Step 2: Convert to fraction form
    120,648.62/166,496.10 = 66,937.16/x
  3. Step 3: Cross multiply
    120,648.62x = 166,496.10 × 66,937.16
  4. Step 4: Simplify right side
    120,648.62x = 11,144,776,085.08
  5. Step 5: Solve for x
    x = 11,144,776,085.08/120,648.62
  6. Step 6: Final answer
    x = 92,373.84

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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.