Home / 140,582.31-210,873.29-45,812.34

Finding the Fourth Proportional to 140,582.31, 210,873.29 and 45,812.34

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Solution

The fourth proportional to 140,582.31, 210,873.29 and 45,812.34 is: 68,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,582.31 : 210,873.29 = 45,812.34 : x
  2. Step 2: Convert to fraction form
    140,582.31/210,873.29 = 45,812.34/x
  3. Step 3: Cross multiply
    140,582.31x = 210,873.29 × 45,812.34
  4. Step 4: Simplify right side
    140,582.31x = 9,660,598,858.40
  5. Step 5: Solve for x
    x = 9,660,598,858.40/140,582.31
  6. Step 6: Final answer
    x = 68,718.45

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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.