Home / 166,779.72-230,155.71-90,298.80

Finding the Fourth Proportional to 166,779.72, 230,155.71 and 90,298.80

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Solution

The fourth proportional to 166,779.72, 230,155.71 and 90,298.80 is: 124,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,779.72 : 230,155.71 = 90,298.80 : x
  2. Step 2: Convert to fraction form
    166,779.72/230,155.71 = 90,298.80/x
  3. Step 3: Cross multiply
    166,779.72x = 230,155.71 × 90,298.80
  4. Step 4: Simplify right side
    166,779.72x = 20,782,783,974.65
  5. Step 5: Solve for x
    x = 20,782,783,974.65/166,779.72
  6. Step 6: Final answer
    x = 124,612.18

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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.