Home / 166,768.74-230,140.98-90,288.50

Finding the Fourth Proportional to 166,768.74, 230,140.98 and 90,288.50

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Solution

The fourth proportional to 166,768.74, 230,140.98 and 90,288.50 is: 124,598.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,768.74 : 230,140.98 = 90,288.50 : x
  2. Step 2: Convert to fraction form
    166,768.74/230,140.98 = 90,288.50/x
  3. Step 3: Cross multiply
    166,768.74x = 230,140.98 × 90,288.50
  4. Step 4: Simplify right side
    166,768.74x = 20,779,082,722.03
  5. Step 5: Solve for x
    x = 20,779,082,722.03/166,768.74
  6. Step 6: Final answer
    x = 124,598.19

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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.