Home / 120,492.20-180,738.30-37,386.20

Finding the Fourth Proportional to 120,492.20, 180,738.30 and 37,386.20

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Solution

The fourth proportional to 120,492.20, 180,738.30 and 37,386.20 is: 56,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,492.20 : 180,738.30 = 37,386.20 : x
  2. Step 2: Convert to fraction form
    120,492.20/180,738.30 = 37,386.20/x
  3. Step 3: Cross multiply
    120,492.20x = 180,738.30 × 37,386.20
  4. Step 4: Simplify right side
    120,492.20x = 6,757,118,231.46
  5. Step 5: Solve for x
    x = 6,757,118,231.46/120,492.20
  6. Step 6: Final answer
    x = 56,079.30

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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.