Home / 154,950.71-213,829.16-86,962.34

Finding the Fourth Proportional to 154,950.71, 213,829.16 and 86,962.34

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Solution

The fourth proportional to 154,950.71, 213,829.16 and 86,962.34 is: 120,006.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,950.71 : 213,829.16 = 86,962.34 : x
  2. Step 2: Convert to fraction form
    154,950.71/213,829.16 = 86,962.34/x
  3. Step 3: Cross multiply
    154,950.71x = 213,829.16 × 86,962.34
  4. Step 4: Simplify right side
    154,950.71x = 18,595,082,609.88
  5. Step 5: Solve for x
    x = 18,595,082,609.88/154,950.71
  6. Step 6: Final answer
    x = 120,006.44

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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.