Home / 140,573.88-210,812.22-45,779.58

Finding the Fourth Proportional to 140,573.88, 210,812.22 and 45,779.58

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Solution

The fourth proportional to 140,573.88, 210,812.22 and 45,779.58 is: 68,653.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,573.88 : 210,812.22 = 45,779.58 : x
  2. Step 2: Convert to fraction form
    140,573.88/210,812.22 = 45,779.58/x
  3. Step 3: Cross multiply
    140,573.88x = 210,812.22 × 45,779.58
  4. Step 4: Simplify right side
    140,573.88x = 9,650,894,890.47
  5. Step 5: Solve for x
    x = 9,650,894,890.47/140,573.88
  6. Step 6: Final answer
    x = 68,653.54

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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.