Home / 112,830.24-169,201.60-60,211.02

Finding the Fourth Proportional to 112,830.24, 169,201.60 and 60,211.02

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Solution

The fourth proportional to 112,830.24, 169,201.60 and 60,211.02 is: 90,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,830.24 : 169,201.60 = 60,211.02 : x
  2. Step 2: Convert to fraction form
    112,830.24/169,201.60 = 60,211.02/x
  3. Step 3: Cross multiply
    112,830.24x = 169,201.60 × 60,211.02
  4. Step 4: Simplify right side
    112,830.24x = 10,187,800,921.63
  5. Step 5: Solve for x
    x = 10,187,800,921.63/112,830.24
  6. Step 6: Final answer
    x = 90,293.18

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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.