Home / 152,956.37-211,020.86-112,765.66

Finding the Fourth Proportional to 152,956.37, 211,020.86 and 112,765.66

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Solution

The fourth proportional to 152,956.37, 211,020.86 and 112,765.66 is: 155,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,956.37 : 211,020.86 = 112,765.66 : x
  2. Step 2: Convert to fraction form
    152,956.37/211,020.86 = 112,765.66/x
  3. Step 3: Cross multiply
    152,956.37x = 211,020.86 × 112,765.66
  4. Step 4: Simplify right side
    152,956.37x = 23,795,906,306.03
  5. Step 5: Solve for x
    x = 23,795,906,306.03/152,956.37
  6. Step 6: Final answer
    x = 155,573.16

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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.