Home / 140,125.95-210,272.00-131,259.89

Finding the Fourth Proportional to 140,125.95, 210,272.00 and 131,259.89

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Solution

The fourth proportional to 140,125.95, 210,272.00 and 131,259.89 is: 196,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,125.95 : 210,272.00 = 131,259.89 : x
  2. Step 2: Convert to fraction form
    140,125.95/210,272.00 = 131,259.89/x
  3. Step 3: Cross multiply
    140,125.95x = 210,272.00 × 131,259.89
  4. Step 4: Simplify right side
    140,125.95x = 27,600,280,197.80
  5. Step 5: Solve for x
    x = 27,600,280,197.80/140,125.95
  6. Step 6: Final answer
    x = 196,967.66

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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.