Home / 140,146.04-210,231.20-40,314.35

Finding the Fourth Proportional to 140,146.04, 210,231.20 and 40,314.35

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Solution

The fourth proportional to 140,146.04, 210,231.20 and 40,314.35 is: 60,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,146.04 : 210,231.20 = 40,314.35 : x
  2. Step 2: Convert to fraction form
    140,146.04/210,231.20 = 40,314.35/x
  3. Step 3: Cross multiply
    140,146.04x = 210,231.20 × 40,314.35
  4. Step 4: Simplify right side
    140,146.04x = 8,475,334,177.72
  5. Step 5: Solve for x
    x = 8,475,334,177.72/140,146.04
  6. Step 6: Final answer
    x = 60,475.02

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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.