Home / 122,238.80-182,521.92-109,506.40

Finding the Fourth Proportional to 122,238.80, 182,521.92 and 109,506.40

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Solution

The fourth proportional to 122,238.80, 182,521.92 and 109,506.40 is: 163,510.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,238.80 : 182,521.92 = 109,506.40 : x
  2. Step 2: Convert to fraction form
    122,238.80/182,521.92 = 109,506.40/x
  3. Step 3: Cross multiply
    122,238.80x = 182,521.92 × 109,506.40
  4. Step 4: Simplify right side
    122,238.80x = 19,987,318,380.29
  5. Step 5: Solve for x
    x = 19,987,318,380.29/122,238.80
  6. Step 6: Final answer
    x = 163,510.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.