Home / 152,968.52-211,096.35-84,991.76

Finding the Fourth Proportional to 152,968.52, 211,096.35 and 84,991.76

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Solution

The fourth proportional to 152,968.52, 211,096.35 and 84,991.76 is: 117,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,968.52 : 211,096.35 = 84,991.76 : x
  2. Step 2: Convert to fraction form
    152,968.52/211,096.35 = 84,991.76/x
  3. Step 3: Cross multiply
    152,968.52x = 211,096.35 × 84,991.76
  4. Step 4: Simplify right side
    152,968.52x = 17,941,449,260.59
  5. Step 5: Solve for x
    x = 17,941,449,260.59/152,968.52
  6. Step 6: Final answer
    x = 117,288.51

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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.