Home / 120,216.80-180,325.20-37,110.80

Finding the Fourth Proportional to 120,216.80, 180,325.20 and 37,110.80

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Solution

The fourth proportional to 120,216.80, 180,325.20 and 37,110.80 is: 55,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,216.80 : 180,325.20 = 37,110.80 : x
  2. Step 2: Convert to fraction form
    120,216.80/180,325.20 = 37,110.80/x
  3. Step 3: Cross multiply
    120,216.80x = 180,325.20 × 37,110.80
  4. Step 4: Simplify right side
    120,216.80x = 6,692,012,432.16
  5. Step 5: Solve for x
    x = 6,692,012,432.16/120,216.80
  6. Step 6: Final answer
    x = 55,666.20

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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.