Home / 102,094.64-140,886.24-56,775.68

Finding the Fourth Proportional to 102,094.64, 140,886.24 and 56,775.68

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Solution

The fourth proportional to 102,094.64, 140,886.24 and 56,775.68 is: 78,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,094.64 : 140,886.24 = 56,775.68 : x
  2. Step 2: Convert to fraction form
    102,094.64/140,886.24 = 56,775.68/x
  3. Step 3: Cross multiply
    102,094.64x = 140,886.24 × 56,775.68
  4. Step 4: Simplify right side
    102,094.64x = 7,998,912,078.64
  5. Step 5: Solve for x
    x = 7,998,912,078.64/102,094.64
  6. Step 6: Final answer
    x = 78,348.01

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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.