Home / 140,689.90-211,045.79-40,851.73

Finding the Fourth Proportional to 140,689.90, 211,045.79 and 40,851.73

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Solution

The fourth proportional to 140,689.90, 211,045.79 and 40,851.73 is: 61,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,689.90 : 211,045.79 = 40,851.73 : x
  2. Step 2: Convert to fraction form
    140,689.90/211,045.79 = 40,851.73/x
  3. Step 3: Cross multiply
    140,689.90x = 211,045.79 × 40,851.73
  4. Step 4: Simplify right side
    140,689.90x = 8,621,585,630.72
  5. Step 5: Solve for x
    x = 8,621,585,630.72/140,689.90
  6. Step 6: Final answer
    x = 61,280.77

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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.