Home / 121,520.10-182,150.55-46,611.30

Finding the Fourth Proportional to 121,520.10, 182,150.55 and 46,611.30

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Solution

The fourth proportional to 121,520.10, 182,150.55 and 46,611.30 is: 69,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,520.10 : 182,150.55 = 46,611.30 : x
  2. Step 2: Convert to fraction form
    121,520.10/182,150.55 = 46,611.30/x
  3. Step 3: Cross multiply
    121,520.10x = 182,150.55 × 46,611.30
  4. Step 4: Simplify right side
    121,520.10x = 8,490,273,931.22
  5. Step 5: Solve for x
    x = 8,490,273,931.22/121,520.10
  6. Step 6: Final answer
    x = 69,867.24

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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.