Home / 124,900.94-172,379.72-71,173.64

Finding the Fourth Proportional to 124,900.94, 172,379.72 and 71,173.64

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Solution

The fourth proportional to 124,900.94, 172,379.72 and 71,173.64 is: 98,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900.94 : 172,379.72 = 71,173.64 : x
  2. Step 2: Convert to fraction form
    124,900.94/172,379.72 = 71,173.64/x
  3. Step 3: Cross multiply
    124,900.94x = 172,379.72 × 71,173.64
  4. Step 4: Simplify right side
    124,900.94x = 12,268,891,573.65
  5. Step 5: Solve for x
    x = 12,268,891,573.65/124,900.94
  6. Step 6: Final answer
    x = 98,228.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.