Home / 112,830.37-169,037.96-70,702.60

Finding the Fourth Proportional to 112,830.37, 169,037.96 and 70,702.60

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Solution

The fourth proportional to 112,830.37, 169,037.96 and 70,702.60 is: 105,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,830.37 : 169,037.96 = 70,702.60 : x
  2. Step 2: Convert to fraction form
    112,830.37/169,037.96 = 70,702.60/x
  3. Step 3: Cross multiply
    112,830.37x = 169,037.96 × 70,702.60
  4. Step 4: Simplify right side
    112,830.37x = 11,951,423,270.70
  5. Step 5: Solve for x
    x = 11,951,423,270.70/112,830.37
  6. Step 6: Final answer
    x = 105,923.82

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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.