Home / 160,647.48-240,982.92-42,318

Finding the Fourth Proportional to 160,647.48, 240,982.92 and 42,318

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Solution

The fourth proportional to 160,647.48, 240,982.92 and 42,318 is: 63,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,647.48 : 240,982.92 = 42,318 : x
  2. Step 2: Convert to fraction form
    160,647.48/240,982.92 = 42,318/x
  3. Step 3: Cross multiply
    160,647.48x = 240,982.92 × 42,318
  4. Step 4: Simplify right side
    160,647.48x = 10,197,915,208.56
  5. Step 5: Solve for x
    x = 10,197,915,208.56/160,647.48
  6. Step 6: Final answer
    x = 63,480.08

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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.