Home / 201,111.60-301,667.40-130,252.80

Finding the Fourth Proportional to 201,111.60, 301,667.40 and 130,252.80

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Solution

The fourth proportional to 201,111.60, 301,667.40 and 130,252.80 is: 195,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,111.60 : 301,667.40 = 130,252.80 : x
  2. Step 2: Convert to fraction form
    201,111.60/301,667.40 = 130,252.80/x
  3. Step 3: Cross multiply
    201,111.60x = 301,667.40 × 130,252.80
  4. Step 4: Simplify right side
    201,111.60x = 39,293,023,518.72
  5. Step 5: Solve for x
    x = 39,293,023,518.72/201,111.60
  6. Step 6: Final answer
    x = 195,379.20

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1.5x scale

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.