Home / 120,025.54-180,151.31-60,903.64

Finding the Fourth Proportional to 120,025.54, 180,151.31 and 60,903.64

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Solution

The fourth proportional to 120,025.54, 180,151.31 and 60,903.64 is: 91,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,025.54 : 180,151.31 = 60,903.64 : x
  2. Step 2: Convert to fraction form
    120,025.54/180,151.31 = 60,903.64/x
  3. Step 3: Cross multiply
    120,025.54x = 180,151.31 × 60,903.64
  4. Step 4: Simplify right side
    120,025.54x = 10,971,870,529.77
  5. Step 5: Solve for x
    x = 10,971,870,529.77/120,025.54
  6. Step 6: Final answer
    x = 91,412.80

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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.