Home / 136,392-204,595.26-42,905.04

Finding the Fourth Proportional to 136,392, 204,595.26 and 42,905.04

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Solution

The fourth proportional to 136,392, 204,595.26 and 42,905.04 is: 64,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,392 : 204,595.26 = 42,905.04 : x
  2. Step 2: Convert to fraction form
    136,392/204,595.26 = 42,905.04/x
  3. Step 3: Cross multiply
    136,392x = 204,595.26 × 42,905.04
  4. Step 4: Simplify right side
    136,392x = 8,778,167,814.11
  5. Step 5: Solve for x
    x = 8,778,167,814.11/136,392
  6. Step 6: Final answer
    x = 64,359.84

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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.