Home / 140,634.36-210,985.38-57,528.60

Finding the Fourth Proportional to 140,634.36, 210,985.38 and 57,528.60

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Solution

The fourth proportional to 140,634.36, 210,985.38 and 57,528.60 is: 86,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,634.36 : 210,985.38 = 57,528.60 : x
  2. Step 2: Convert to fraction form
    140,634.36/210,985.38 = 57,528.60/x
  3. Step 3: Cross multiply
    140,634.36x = 210,985.38 × 57,528.60
  4. Step 4: Simplify right side
    140,634.36x = 12,137,693,531.87
  5. Step 5: Solve for x
    x = 12,137,693,531.87/140,634.36
  6. Step 6: Final answer
    x = 86,306.74

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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.