Home / 147,784.40-221,633.40-53,003.60

Finding the Fourth Proportional to 147,784.40, 221,633.40 and 53,003.60

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Solution

The fourth proportional to 147,784.40, 221,633.40 and 53,003.60 is: 79,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,784.40 : 221,633.40 = 53,003.60 : x
  2. Step 2: Convert to fraction form
    147,784.40/221,633.40 = 53,003.60/x
  3. Step 3: Cross multiply
    147,784.40x = 221,633.40 × 53,003.60
  4. Step 4: Simplify right side
    147,784.40x = 11,747,368,080.24
  5. Step 5: Solve for x
    x = 11,747,368,080.24/147,784.40
  6. Step 6: Final answer
    x = 79,489.91

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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.