Home / 140,153.12-210,231.24-46,658.72

Finding the Fourth Proportional to 140,153.12, 210,231.24 and 46,658.72

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Solution

The fourth proportional to 140,153.12, 210,231.24 and 46,658.72 is: 69,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,153.12 : 210,231.24 = 46,658.72 : x
  2. Step 2: Convert to fraction form
    140,153.12/210,231.24 = 46,658.72/x
  3. Step 3: Cross multiply
    140,153.12x = 210,231.24 × 46,658.72
  4. Step 4: Simplify right side
    140,153.12x = 9,809,120,562.41
  5. Step 5: Solve for x
    x = 9,809,120,562.41/140,153.12
  6. Step 6: Final answer
    x = 69,988.60

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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.