Home / 448,766.08-672,974.16-168,130.24

Finding the Fourth Proportional to 448,766.08, 672,974.16 and 168,130.24

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Solution

The fourth proportional to 448,766.08, 672,974.16 and 168,130.24 is: 252,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,766.08 : 672,974.16 = 168,130.24 : x
  2. Step 2: Convert to fraction form
    448,766.08/672,974.16 = 168,130.24/x
  3. Step 3: Cross multiply
    448,766.08x = 672,974.16 × 168,130.24
  4. Step 4: Simplify right side
    448,766.08x = 113,147,307,034.60
  5. Step 5: Solve for x
    x = 113,147,307,034.60/448,766.08
  6. Step 6: Final answer
    x = 252,129.81

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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.