Home / 160,405.02-221,356.14-88,783.47

Finding the Fourth Proportional to 160,405.02, 221,356.14 and 88,783.47

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Solution

The fourth proportional to 160,405.02, 221,356.14 and 88,783.47 is: 122,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,405.02 : 221,356.14 = 88,783.47 : x
  2. Step 2: Convert to fraction form
    160,405.02/221,356.14 = 88,783.47/x
  3. Step 3: Cross multiply
    160,405.02x = 221,356.14 × 88,783.47
  4. Step 4: Simplify right side
    160,405.02x = 19,652,766,215.01
  5. Step 5: Solve for x
    x = 19,652,766,215.01/160,405.02
  6. Step 6: Final answer
    x = 122,519.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.