Home / 155,028.21-213,962.31-94,633.98

Finding the Fourth Proportional to 155,028.21, 213,962.31 and 94,633.98

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Solution

The fourth proportional to 155,028.21, 213,962.31 and 94,633.98 is: 130,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,028.21 : 213,962.31 = 94,633.98 : x
  2. Step 2: Convert to fraction form
    155,028.21/213,962.31 = 94,633.98/x
  3. Step 3: Cross multiply
    155,028.21x = 213,962.31 × 94,633.98
  4. Step 4: Simplify right side
    155,028.21x = 20,248,104,965.29
  5. Step 5: Solve for x
    x = 20,248,104,965.29/155,028.21
  6. Step 6: Final answer
    x = 130,609.16

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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.