Home / 120,300.55-180,450.83-73,061.35

Finding the Fourth Proportional to 120,300.55, 180,450.83 and 73,061.35

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Solution

The fourth proportional to 120,300.55, 180,450.83 and 73,061.35 is: 109,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,300.55 : 180,450.83 = 73,061.35 : x
  2. Step 2: Convert to fraction form
    120,300.55/180,450.83 = 73,061.35/x
  3. Step 3: Cross multiply
    120,300.55x = 180,450.83 × 73,061.35
  4. Step 4: Simplify right side
    120,300.55x = 13,183,980,883.11
  5. Step 5: Solve for x
    x = 13,183,980,883.11/120,300.55
  6. Step 6: Final answer
    x = 109,592.03

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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.