Home / 120,181.32-180,271.98-53,605.40

Finding the Fourth Proportional to 120,181.32, 180,271.98 and 53,605.40

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Solution

The fourth proportional to 120,181.32, 180,271.98 and 53,605.40 is: 80,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,181.32 : 180,271.98 = 53,605.40 : x
  2. Step 2: Convert to fraction form
    120,181.32/180,271.98 = 53,605.40/x
  3. Step 3: Cross multiply
    120,181.32x = 180,271.98 × 53,605.40
  4. Step 4: Simplify right side
    120,181.32x = 9,663,550,695.33
  5. Step 5: Solve for x
    x = 9,663,550,695.33/120,181.32
  6. Step 6: Final answer
    x = 80,408.09

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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.