Home / 212,468.04-318,659.76-136,341.48

Finding the Fourth Proportional to 212,468.04, 318,659.76 and 136,341.48

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Solution

The fourth proportional to 212,468.04, 318,659.76 and 136,341.48 is: 204,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,468.04 : 318,659.76 = 136,341.48 : x
  2. Step 2: Convert to fraction form
    212,468.04/318,659.76 = 136,341.48/x
  3. Step 3: Cross multiply
    212,468.04x = 318,659.76 × 136,341.48
  4. Step 4: Simplify right side
    212,468.04x = 43,446,543,294.84
  5. Step 5: Solve for x
    x = 43,446,543,294.84/212,468.04
  6. Step 6: Final answer
    x = 204,485.08

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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.