Home / 139,968.20-210,039.96-93,253.88

Finding the Fourth Proportional to 139,968.20, 210,039.96 and 93,253.88

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Solution

The fourth proportional to 139,968.20, 210,039.96 and 93,253.88 is: 139,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968.20 : 210,039.96 = 93,253.88 : x
  2. Step 2: Convert to fraction form
    139,968.20/210,039.96 = 93,253.88/x
  3. Step 3: Cross multiply
    139,968.20x = 210,039.96 × 93,253.88
  4. Step 4: Simplify right side
    139,968.20x = 19,587,041,225.04
  5. Step 5: Solve for x
    x = 19,587,041,225.04/139,968.20
  6. Step 6: Final answer
    x = 139,939.22

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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.