Home / 155,307.42-214,027.74-133,790.40

Finding the Fourth Proportional to 155,307.42, 214,027.74 and 133,790.40

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Solution

The fourth proportional to 155,307.42, 214,027.74 and 133,790.40 is: 184,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,307.42 : 214,027.74 = 133,790.40 : x
  2. Step 2: Convert to fraction form
    155,307.42/214,027.74 = 133,790.40/x
  3. Step 3: Cross multiply
    155,307.42x = 214,027.74 × 133,790.40
  4. Step 4: Simplify right side
    155,307.42x = 28,634,856,945.70
  5. Step 5: Solve for x
    x = 28,634,856,945.70/155,307.42
  6. Step 6: Final answer
    x = 184,375.33

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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.