Home / 166,768.93-230,141.27-90,288.07

Finding the Fourth Proportional to 166,768.93, 230,141.27 and 90,288.07

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Solution

The fourth proportional to 166,768.93, 230,141.27 and 90,288.07 is: 124,597.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,768.93 : 230,141.27 = 90,288.07 : x
  2. Step 2: Convert to fraction form
    166,768.93/230,141.27 = 90,288.07/x
  3. Step 3: Cross multiply
    166,768.93x = 230,141.27 × 90,288.07
  4. Step 4: Simplify right side
    166,768.93x = 20,779,011,706.41
  5. Step 5: Solve for x
    x = 20,779,011,706.41/166,768.93
  6. Step 6: Final answer
    x = 124,597.62

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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.