Home / 103,241.08-154,757.02-69,964.50

Finding the Fourth Proportional to 103,241.08, 154,757.02 and 69,964.50

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Solution

The fourth proportional to 103,241.08, 154,757.02 and 69,964.50 is: 104,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,241.08 : 154,757.02 = 69,964.50 : x
  2. Step 2: Convert to fraction form
    103,241.08/154,757.02 = 69,964.50/x
  3. Step 3: Cross multiply
    103,241.08x = 154,757.02 × 69,964.50
  4. Step 4: Simplify right side
    103,241.08x = 10,827,497,525.79
  5. Step 5: Solve for x
    x = 10,827,497,525.79/103,241.08
  6. Step 6: Final answer
    x = 104,875.86

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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.