Home / 163,335.02-245,003.78-45,012.86

Finding the Fourth Proportional to 163,335.02, 245,003.78 and 45,012.86

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Solution

The fourth proportional to 163,335.02, 245,003.78 and 45,012.86 is: 67,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,335.02 : 245,003.78 = 45,012.86 : x
  2. Step 2: Convert to fraction form
    163,335.02/245,003.78 = 45,012.86/x
  3. Step 3: Cross multiply
    163,335.02x = 245,003.78 × 45,012.86
  4. Step 4: Simplify right side
    163,335.02x = 11,028,319,736.12
  5. Step 5: Solve for x
    x = 11,028,319,736.12/163,335.02
  6. Step 6: Final answer
    x = 67,519.63

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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.