Home / 163,669.02-245,503.56-45,340.43

Finding the Fourth Proportional to 163,669.02, 245,503.56 and 45,340.43

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Solution

The fourth proportional to 163,669.02, 245,503.56 and 45,340.43 is: 68,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,669.02 : 245,503.56 = 45,340.43 : x
  2. Step 2: Convert to fraction form
    163,669.02/245,503.56 = 45,340.43/x
  3. Step 3: Cross multiply
    163,669.02x = 245,503.56 × 45,340.43
  4. Step 4: Simplify right side
    163,669.02x = 11,131,235,749.41
  5. Step 5: Solve for x
    x = 11,131,235,749.41/163,669.02
  6. Step 6: Final answer
    x = 68,010.65

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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.