Home / 140,784.76-211,132.40-45,993.32

Finding the Fourth Proportional to 140,784.76, 211,132.40 and 45,993.32

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Solution

The fourth proportional to 140,784.76, 211,132.40 and 45,993.32 is: 68,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,784.76 : 211,132.40 = 45,993.32 : x
  2. Step 2: Convert to fraction form
    140,784.76/211,132.40 = 45,993.32/x
  3. Step 3: Cross multiply
    140,784.76x = 211,132.40 × 45,993.32
  4. Step 4: Simplify right side
    140,784.76x = 9,710,680,035.57
  5. Step 5: Solve for x
    x = 9,710,680,035.57/140,784.76
  6. Step 6: Final answer
    x = 68,975.36

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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.