Home / 120,312.08-180,441.72-40,361.24

Finding the Fourth Proportional to 120,312.08, 180,441.72 and 40,361.24

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Solution

The fourth proportional to 120,312.08, 180,441.72 and 40,361.24 is: 60,533.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,312.08 : 180,441.72 = 40,361.24 : x
  2. Step 2: Convert to fraction form
    120,312.08/180,441.72 = 40,361.24/x
  3. Step 3: Cross multiply
    120,312.08x = 180,441.72 × 40,361.24
  4. Step 4: Simplify right side
    120,312.08x = 7,282,851,566.93
  5. Step 5: Solve for x
    x = 7,282,851,566.93/120,312.08
  6. Step 6: Final answer
    x = 60,533.00

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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.