Home / 166,798.80-230,181.35-90,317.12

Finding the Fourth Proportional to 166,798.80, 230,181.35 and 90,317.12

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Solution

The fourth proportional to 166,798.80, 230,181.35 and 90,317.12 is: 124,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,798.80 : 230,181.35 = 90,317.12 : x
  2. Step 2: Convert to fraction form
    166,798.80/230,181.35 = 90,317.12/x
  3. Step 3: Cross multiply
    166,798.80x = 230,181.35 × 90,317.12
  4. Step 4: Simplify right side
    166,798.80x = 20,789,315,007.22
  5. Step 5: Solve for x
    x = 20,789,315,007.22/166,798.80
  6. Step 6: Final answer
    x = 124,637.08

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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.