Home / 131,971.60-197,611.80-96,720.40

Finding the Fourth Proportional to 131,971.60, 197,611.80 and 96,720.40

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Solution

The fourth proportional to 131,971.60, 197,611.80 and 96,720.40 is: 144,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,971.60 : 197,611.80 = 96,720.40 : x
  2. Step 2: Convert to fraction form
    131,971.60/197,611.80 = 96,720.40/x
  3. Step 3: Cross multiply
    131,971.60x = 197,611.80 × 96,720.40
  4. Step 4: Simplify right side
    131,971.60x = 19,113,092,340.72
  5. Step 5: Solve for x
    x = 19,113,092,340.72/131,971.60
  6. Step 6: Final answer
    x = 144,827.31

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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.