Home / 181,889.20-272,833.80-118,903.60

Finding the Fourth Proportional to 181,889.20, 272,833.80 and 118,903.60

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Solution

The fourth proportional to 181,889.20, 272,833.80 and 118,903.60 is: 178,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,889.20 : 272,833.80 = 118,903.60 : x
  2. Step 2: Convert to fraction form
    181,889.20/272,833.80 = 118,903.60/x
  3. Step 3: Cross multiply
    181,889.20x = 272,833.80 × 118,903.60
  4. Step 4: Simplify right side
    181,889.20x = 32,440,921,021.68
  5. Step 5: Solve for x
    x = 32,440,921,021.68/181,889.20
  6. Step 6: Final answer
    x = 178,355.40

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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.