Home / 159,072.93-219,515.02-87,452.42

Finding the Fourth Proportional to 159,072.93, 219,515.02 and 87,452.42

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Solution

The fourth proportional to 159,072.93, 219,515.02 and 87,452.42 is: 120,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,072.93 : 219,515.02 = 87,452.42 : x
  2. Step 2: Convert to fraction form
    159,072.93/219,515.02 = 87,452.42/x
  3. Step 3: Cross multiply
    159,072.93x = 219,515.02 × 87,452.42
  4. Step 4: Simplify right side
    159,072.93x = 19,197,118,409.14
  5. Step 5: Solve for x
    x = 19,197,118,409.14/159,072.93
  6. Step 6: Final answer
    x = 120,681.24

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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.