Home / 146,975.23-220,459.20-47,142.46

Finding the Fourth Proportional to 146,975.23, 220,459.20 and 47,142.46

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Solution

The fourth proportional to 146,975.23, 220,459.20 and 47,142.46 is: 70,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,975.23 : 220,459.20 = 47,142.46 : x
  2. Step 2: Convert to fraction form
    146,975.23/220,459.20 = 47,142.46/x
  3. Step 3: Cross multiply
    146,975.23x = 220,459.20 × 47,142.46
  4. Step 4: Simplify right side
    146,975.23x = 10,392,989,017.63
  5. Step 5: Solve for x
    x = 10,392,989,017.63/146,975.23
  6. Step 6: Final answer
    x = 70,712.52

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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.