Home / 245,746.37-368,708.30-85,845.93

Finding the Fourth Proportional to 245,746.37, 368,708.30 and 85,845.93

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Solution

The fourth proportional to 245,746.37, 368,708.30 and 85,845.93 is: 128,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,746.37 : 368,708.30 = 85,845.93 : x
  2. Step 2: Convert to fraction form
    245,746.37/368,708.30 = 85,845.93/x
  3. Step 3: Cross multiply
    245,746.37x = 368,708.30 × 85,845.93
  4. Step 4: Simplify right side
    245,746.37x = 31,652,105,905.14
  5. Step 5: Solve for x
    x = 31,652,105,905.14/245,746.37
  6. Step 6: Final answer
    x = 128,799.89

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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.