Home / 133,032.41-199,541.33-80,427.77

Finding the Fourth Proportional to 133,032.41, 199,541.33 and 80,427.77

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Solution

The fourth proportional to 133,032.41, 199,541.33 and 80,427.77 is: 120,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,032.41 : 199,541.33 = 80,427.77 : x
  2. Step 2: Convert to fraction form
    133,032.41/199,541.33 = 80,427.77/x
  3. Step 3: Cross multiply
    133,032.41x = 199,541.33 × 80,427.77
  4. Step 4: Simplify right side
    133,032.41x = 16,048,663,792.60
  5. Step 5: Solve for x
    x = 16,048,663,792.60/133,032.41
  6. Step 6: Final answer
    x = 120,637.25

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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.