Home / 166,740.95-230,102.63-90,259.80

Finding the Fourth Proportional to 166,740.95, 230,102.63 and 90,259.80

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Solution

The fourth proportional to 166,740.95, 230,102.63 and 90,259.80 is: 124,558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,740.95 : 230,102.63 = 90,259.80 : x
  2. Step 2: Convert to fraction form
    166,740.95/230,102.63 = 90,259.80/x
  3. Step 3: Cross multiply
    166,740.95x = 230,102.63 × 90,259.80
  4. Step 4: Simplify right side
    166,740.95x = 20,769,016,911.98
  5. Step 5: Solve for x
    x = 20,769,016,911.98/166,740.95
  6. Step 6: Final answer
    x = 124,558.59

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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.