Home / 117,289.02-161,859.06-63,573.84

Finding the Fourth Proportional to 117,289.02, 161,859.06 and 63,573.84

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Solution

The fourth proportional to 117,289.02, 161,859.06 and 63,573.84 is: 87,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,289.02 : 161,859.06 = 63,573.84 : x
  2. Step 2: Convert to fraction form
    117,289.02/161,859.06 = 63,573.84/x
  3. Step 3: Cross multiply
    117,289.02x = 161,859.06 × 63,573.84
  4. Step 4: Simplify right side
    117,289.02x = 10,290,001,982.99
  5. Step 5: Solve for x
    x = 10,290,001,982.99/117,289.02
  6. Step 6: Final answer
    x = 87,732.01

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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.