Home / 140,450.78-210,675.36-46,955.72

Finding the Fourth Proportional to 140,450.78, 210,675.36 and 46,955.72

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Solution

The fourth proportional to 140,450.78, 210,675.36 and 46,955.72 is: 70,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,450.78 : 210,675.36 = 46,955.72 : x
  2. Step 2: Convert to fraction form
    140,450.78/210,675.36 = 46,955.72/x
  3. Step 3: Cross multiply
    140,450.78x = 210,675.36 × 46,955.72
  4. Step 4: Simplify right side
    140,450.78x = 9,892,413,215.06
  5. Step 5: Solve for x
    x = 9,892,413,215.06/140,450.78
  6. Step 6: Final answer
    x = 70,433.31

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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.