Home / 120,289.02-180,456.82-36,047.40

Finding the Fourth Proportional to 120,289.02, 180,456.82 and 36,047.40

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Solution

The fourth proportional to 120,289.02, 180,456.82 and 36,047.40 is: 54,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,289.02 : 180,456.82 = 36,047.40 : x
  2. Step 2: Convert to fraction form
    120,289.02/180,456.82 = 36,047.40/x
  3. Step 3: Cross multiply
    120,289.02x = 180,456.82 × 36,047.40
  4. Step 4: Simplify right side
    120,289.02x = 6,504,999,173.27
  5. Step 5: Solve for x
    x = 6,504,999,173.27/120,289.02
  6. Step 6: Final answer
    x = 54,078.08

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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.