Home / 136,615.28-204,915.48-52,415.84

Finding the Fourth Proportional to 136,615.28, 204,915.48 and 52,415.84

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Solution

The fourth proportional to 136,615.28, 204,915.48 and 52,415.84 is: 78,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,615.28 : 204,915.48 = 52,415.84 : x
  2. Step 2: Convert to fraction form
    136,615.28/204,915.48 = 52,415.84/x
  3. Step 3: Cross multiply
    136,615.28x = 204,915.48 × 52,415.84
  4. Step 4: Simplify right side
    136,615.28x = 10,740,817,013.20
  5. Step 5: Solve for x
    x = 10,740,817,013.20/136,615.28
  6. Step 6: Final answer
    x = 78,620.91

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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.