Home / 113,485.50-156,611.07-63,185.58

Finding the Fourth Proportional to 113,485.50, 156,611.07 and 63,185.58

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Solution

The fourth proportional to 113,485.50, 156,611.07 and 63,185.58 is: 87,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,485.50 : 156,611.07 = 63,185.58 : x
  2. Step 2: Convert to fraction form
    113,485.50/156,611.07 = 63,185.58/x
  3. Step 3: Cross multiply
    113,485.50x = 156,611.07 × 63,185.58
  4. Step 4: Simplify right side
    113,485.50x = 9,895,561,292.37
  5. Step 5: Solve for x
    x = 9,895,561,292.37/113,485.50
  6. Step 6: Final answer
    x = 87,196.70

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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.