Home / 120,243.83-180,226.33-45,316.00

Finding the Fourth Proportional to 120,243.83, 180,226.33 and 45,316.00

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Solution

The fourth proportional to 120,243.83, 180,226.33 and 45,316.00 is: 67,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,243.83 : 180,226.33 = 45,316.00 : x
  2. Step 2: Convert to fraction form
    120,243.83/180,226.33 = 45,316.00/x
  3. Step 3: Cross multiply
    120,243.83x = 180,226.33 × 45,316.00
  4. Step 4: Simplify right side
    120,243.83x = 8,167,135,806.42
  5. Step 5: Solve for x
    x = 8,167,135,806.42/120,243.83
  6. Step 6: Final answer
    x = 67,921.45

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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.