Home / 152,961.88-211,028.40-112,771.18

Finding the Fourth Proportional to 152,961.88, 211,028.40 and 112,771.18

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Solution

The fourth proportional to 152,961.88, 211,028.40 and 112,771.18 is: 155,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,961.88 : 211,028.40 = 112,771.18 : x
  2. Step 2: Convert to fraction form
    152,961.88/211,028.40 = 112,771.18/x
  3. Step 3: Cross multiply
    152,961.88x = 211,028.40 × 112,771.18
  4. Step 4: Simplify right side
    152,961.88x = 23,797,921,681.51
  5. Step 5: Solve for x
    x = 23,797,921,681.51/152,961.88
  6. Step 6: Final answer
    x = 155,580.73

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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.