Home / 102,419.46-141,327.45-57,094.02

Finding the Fourth Proportional to 102,419.46, 141,327.45 and 57,094.02

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Solution

The fourth proportional to 102,419.46, 141,327.45 and 57,094.02 is: 78,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,419.46 : 141,327.45 = 57,094.02 : x
  2. Step 2: Convert to fraction form
    102,419.46/141,327.45 = 57,094.02/x
  3. Step 3: Cross multiply
    102,419.46x = 141,327.45 × 57,094.02
  4. Step 4: Simplify right side
    102,419.46x = 8,068,952,256.85
  5. Step 5: Solve for x
    x = 8,068,952,256.85/102,419.46
  6. Step 6: Final answer
    x = 78,783.39

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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.