Home / 120,828.60-181,242.90-37,722.60

Finding the Fourth Proportional to 120,828.60, 181,242.90 and 37,722.60

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Solution

The fourth proportional to 120,828.60, 181,242.90 and 37,722.60 is: 56,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,828.60 : 181,242.90 = 37,722.60 : x
  2. Step 2: Convert to fraction form
    120,828.60/181,242.90 = 37,722.60/x
  3. Step 3: Cross multiply
    120,828.60x = 181,242.90 × 37,722.60
  4. Step 4: Simplify right side
    120,828.60x = 6,836,953,419.54
  5. Step 5: Solve for x
    x = 6,836,953,419.54/120,828.60
  6. Step 6: Final answer
    x = 56,583.90

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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.