Home / 140,941.76-211,312.20-66,021.03

Finding the Fourth Proportional to 140,941.76, 211,312.20 and 66,021.03

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Solution

The fourth proportional to 140,941.76, 211,312.20 and 66,021.03 is: 98,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,941.76 : 211,312.20 = 66,021.03 : x
  2. Step 2: Convert to fraction form
    140,941.76/211,312.20 = 66,021.03/x
  3. Step 3: Cross multiply
    140,941.76x = 211,312.20 × 66,021.03
  4. Step 4: Simplify right side
    140,941.76x = 13,951,049,095.57
  5. Step 5: Solve for x
    x = 13,951,049,095.57/140,941.76
  6. Step 6: Final answer
    x = 98,984.50

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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.