Home / 154,396.50-213,072.93-87,327.06

Finding the Fourth Proportional to 154,396.50, 213,072.93 and 87,327.06

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Solution

The fourth proportional to 154,396.50, 213,072.93 and 87,327.06 is: 120,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,396.50 : 213,072.93 = 87,327.06 : x
  2. Step 2: Convert to fraction form
    154,396.50/213,072.93 = 87,327.06/x
  3. Step 3: Cross multiply
    154,396.50x = 213,072.93 × 87,327.06
  4. Step 4: Simplify right side
    154,396.50x = 18,607,032,542.49
  5. Step 5: Solve for x
    x = 18,607,032,542.49/154,396.50
  6. Step 6: Final answer
    x = 120,514.60

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1.5x scale

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.