Home / 140,582.40-210,873.60-57,456.96

Finding the Fourth Proportional to 140,582.40, 210,873.60 and 57,456.96

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Solution

The fourth proportional to 140,582.40, 210,873.60 and 57,456.96 is: 86,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,582.40 : 210,873.60 = 57,456.96 : x
  2. Step 2: Convert to fraction form
    140,582.40/210,873.60 = 57,456.96/x
  3. Step 3: Cross multiply
    140,582.40x = 210,873.60 × 57,456.96
  4. Step 4: Simplify right side
    140,582.40x = 12,116,156,000.26
  5. Step 5: Solve for x
    x = 12,116,156,000.26/140,582.40
  6. Step 6: Final answer
    x = 86,185.44

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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.