Home / 140,272.92-210,420.36-46,778.58

Finding the Fourth Proportional to 140,272.92, 210,420.36 and 46,778.58

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Solution

The fourth proportional to 140,272.92, 210,420.36 and 46,778.58 is: 70,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,272.92 : 210,420.36 = 46,778.58 : x
  2. Step 2: Convert to fraction form
    140,272.92/210,420.36 = 46,778.58/x
  3. Step 3: Cross multiply
    140,272.92x = 210,420.36 × 46,778.58
  4. Step 4: Simplify right side
    140,272.92x = 9,843,165,643.89
  5. Step 5: Solve for x
    x = 9,843,165,643.89/140,272.92
  6. Step 6: Final answer
    x = 70,171.53

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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.