Home / 102,094.14-140,892.36-56,774.04

Finding the Fourth Proportional to 102,094.14, 140,892.36 and 56,774.04

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Solution

The fourth proportional to 102,094.14, 140,892.36 and 56,774.04 is: 78,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,094.14 : 140,892.36 = 56,774.04 : x
  2. Step 2: Convert to fraction form
    102,094.14/140,892.36 = 56,774.04/x
  3. Step 3: Cross multiply
    102,094.14x = 140,892.36 × 56,774.04
  4. Step 4: Simplify right side
    102,094.14x = 7,999,028,482.33
  5. Step 5: Solve for x
    x = 7,999,028,482.33/102,094.14
  6. Step 6: Final answer
    x = 78,349.54

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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.