Home / 163,905.30-245,857.95-162,350.10

Finding the Fourth Proportional to 163,905.30, 245,857.95 and 162,350.10

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Solution

The fourth proportional to 163,905.30, 245,857.95 and 162,350.10 is: 243,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,905.30 : 245,857.95 = 162,350.10 : x
  2. Step 2: Convert to fraction form
    163,905.30/245,857.95 = 162,350.10/x
  3. Step 3: Cross multiply
    163,905.30x = 245,857.95 × 162,350.10
  4. Step 4: Simplify right side
    163,905.30x = 39,915,062,768.30
  5. Step 5: Solve for x
    x = 39,915,062,768.30/163,905.30
  6. Step 6: Final answer
    x = 243,525.15

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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.