Home / 102,740.40-154,139.40-50,151.60

Finding the Fourth Proportional to 102,740.40, 154,139.40 and 50,151.60

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Solution

The fourth proportional to 102,740.40, 154,139.40 and 50,151.60 is: 75,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,740.40 : 154,139.40 = 50,151.60 : x
  2. Step 2: Convert to fraction form
    102,740.40/154,139.40 = 50,151.60/x
  3. Step 3: Cross multiply
    102,740.40x = 154,139.40 × 50,151.60
  4. Step 4: Simplify right side
    102,740.40x = 7,730,337,533.04
  5. Step 5: Solve for x
    x = 7,730,337,533.04/102,740.40
  6. Step 6: Final answer
    x = 75,241.46

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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.