Home / 140,941.20-211,411.80-61,971.60

Finding the Fourth Proportional to 140,941.20, 211,411.80 and 61,971.60

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Solution

The fourth proportional to 140,941.20, 211,411.80 and 61,971.60 is: 92,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,941.20 : 211,411.80 = 61,971.60 : x
  2. Step 2: Convert to fraction form
    140,941.20/211,411.80 = 61,971.60/x
  3. Step 3: Cross multiply
    140,941.20x = 211,411.80 × 61,971.60
  4. Step 4: Simplify right side
    140,941.20x = 13,101,527,504.88
  5. Step 5: Solve for x
    x = 13,101,527,504.88/140,941.20
  6. Step 6: Final answer
    x = 92,957.40

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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.