Home / 197,117.55-295,779.60-90,533.70

Finding the Fourth Proportional to 197,117.55, 295,779.60 and 90,533.70

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Solution

The fourth proportional to 197,117.55, 295,779.60 and 90,533.70 is: 135,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,117.55 : 295,779.60 = 90,533.70 : x
  2. Step 2: Convert to fraction form
    197,117.55/295,779.60 = 90,533.70/x
  3. Step 3: Cross multiply
    197,117.55x = 295,779.60 × 90,533.70
  4. Step 4: Simplify right side
    197,117.55x = 26,778,021,572.52
  5. Step 5: Solve for x
    x = 26,778,021,572.52/197,117.55
  6. Step 6: Final answer
    x = 135,847.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.