Home / 120,045.06-180,048.66-75,535.56

Finding the Fourth Proportional to 120,045.06, 180,048.66 and 75,535.56

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Solution

The fourth proportional to 120,045.06, 180,048.66 and 75,535.56 is: 113,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,045.06 : 180,048.66 = 75,535.56 : x
  2. Step 2: Convert to fraction form
    120,045.06/180,048.66 = 75,535.56/x
  3. Step 3: Cross multiply
    120,045.06x = 180,048.66 × 75,535.56
  4. Step 4: Simplify right side
    120,045.06x = 13,600,076,360.35
  5. Step 5: Solve for x
    x = 13,600,076,360.35/120,045.06
  6. Step 6: Final answer
    x = 113,291.43

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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.