Home / 152,741.58-229,112.16-86,151.48

Finding the Fourth Proportional to 152,741.58, 229,112.16 and 86,151.48

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Solution

The fourth proportional to 152,741.58, 229,112.16 and 86,151.48 is: 129,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,741.58 : 229,112.16 = 86,151.48 : x
  2. Step 2: Convert to fraction form
    152,741.58/229,112.16 = 86,151.48/x
  3. Step 3: Cross multiply
    152,741.58x = 229,112.16 × 86,151.48
  4. Step 4: Simplify right side
    152,741.58x = 19,738,351,670.00
  5. Step 5: Solve for x
    x = 19,738,351,670.00/152,741.58
  6. Step 6: Final answer
    x = 129,227.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.