Home / 140,531.76-210,828.42-40,696.02

Finding the Fourth Proportional to 140,531.76, 210,828.42 and 40,696.02

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Solution

The fourth proportional to 140,531.76, 210,828.42 and 40,696.02 is: 61,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,531.76 : 210,828.42 = 40,696.02 : x
  2. Step 2: Convert to fraction form
    140,531.76/210,828.42 = 40,696.02/x
  3. Step 3: Cross multiply
    140,531.76x = 210,828.42 × 40,696.02
  4. Step 4: Simplify right side
    140,531.76x = 8,579,877,596.89
  5. Step 5: Solve for x
    x = 8,579,877,596.89/140,531.76
  6. Step 6: Final answer
    x = 61,052.94

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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.