Home / 103,009.75-154,526.87-36,436.25

Finding the Fourth Proportional to 103,009.75, 154,526.87 and 36,436.25

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Solution

The fourth proportional to 103,009.75, 154,526.87 and 36,436.25 is: 54,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,009.75 : 154,526.87 = 36,436.25 : x
  2. Step 2: Convert to fraction form
    103,009.75/154,526.87 = 36,436.25/x
  3. Step 3: Cross multiply
    103,009.75x = 154,526.87 × 36,436.25
  4. Step 4: Simplify right side
    103,009.75x = 5,630,380,144.45
  5. Step 5: Solve for x
    x = 5,630,380,144.45/103,009.75
  6. Step 6: Final answer
    x = 54,658.71

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1.5x scale

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.