Home / 120,135.35-180,312.18-64,023.41

Finding the Fourth Proportional to 120,135.35, 180,312.18 and 64,023.41

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Solution

The fourth proportional to 120,135.35, 180,312.18 and 64,023.41 is: 96,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,135.35 : 180,312.18 = 64,023.41 : x
  2. Step 2: Convert to fraction form
    120,135.35/180,312.18 = 64,023.41/x
  3. Step 3: Cross multiply
    120,135.35x = 180,312.18 × 64,023.41
  4. Step 4: Simplify right side
    120,135.35x = 11,544,200,838.83
  5. Step 5: Solve for x
    x = 11,544,200,838.83/120,135.35
  6. Step 6: Final answer
    x = 96,093.29

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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.