Home / 120,157.48-180,124.74-57,007.24

Finding the Fourth Proportional to 120,157.48, 180,124.74 and 57,007.24

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Solution

The fourth proportional to 120,157.48, 180,124.74 and 57,007.24 is: 85,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,157.48 : 180,124.74 = 57,007.24 : x
  2. Step 2: Convert to fraction form
    120,157.48/180,124.74 = 57,007.24/x
  3. Step 3: Cross multiply
    120,157.48x = 180,124.74 × 57,007.24
  4. Step 4: Simplify right side
    120,157.48x = 10,268,414,283.12
  5. Step 5: Solve for x
    x = 10,268,414,283.12/120,157.48
  6. Step 6: Final answer
    x = 85,457.97

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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.