Home / 185,120.50-255,466.49-100,237.36

Finding the Fourth Proportional to 185,120.50, 255,466.49 and 100,237.36

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Solution

The fourth proportional to 185,120.50, 255,466.49 and 100,237.36 is: 138,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,120.50 : 255,466.49 = 100,237.36 : x
  2. Step 2: Convert to fraction form
    185,120.50/255,466.49 = 100,237.36/x
  3. Step 3: Cross multiply
    185,120.50x = 255,466.49 × 100,237.36
  4. Step 4: Simplify right side
    185,120.50x = 25,607,286,526.07
  5. Step 5: Solve for x
    x = 25,607,286,526.07/185,120.50
  6. Step 6: Final answer
    x = 138,327.67

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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.