Home / 140,054.03-210,017.85-40,191.56

Finding the Fourth Proportional to 140,054.03, 210,017.85 and 40,191.56

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Solution

The fourth proportional to 140,054.03, 210,017.85 and 40,191.56 is: 60,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,054.03 : 210,017.85 = 40,191.56 : x
  2. Step 2: Convert to fraction form
    140,054.03/210,017.85 = 40,191.56/x
  3. Step 3: Cross multiply
    140,054.03x = 210,017.85 × 40,191.56
  4. Step 4: Simplify right side
    140,054.03x = 8,440,943,969.26
  5. Step 5: Solve for x
    x = 8,440,943,969.26/140,054.03
  6. Step 6: Final answer
    x = 60,269.20

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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.