Home / 166,840.86-230,240.48-91,390.62

Finding the Fourth Proportional to 166,840.86, 230,240.48 and 91,390.62

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Solution

The fourth proportional to 166,840.86, 230,240.48 and 91,390.62 is: 126,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,840.86 : 230,240.48 = 91,390.62 : x
  2. Step 2: Convert to fraction form
    166,840.86/230,240.48 = 91,390.62/x
  3. Step 3: Cross multiply
    166,840.86x = 230,240.48 × 91,390.62
  4. Step 4: Simplify right side
    166,840.86x = 21,041,820,216.30
  5. Step 5: Solve for x
    x = 21,041,820,216.30/166,840.86
  6. Step 6: Final answer
    x = 126,119.11

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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.