Home / 242,670.53-334,895.01-135,239.60

Finding the Fourth Proportional to 242,670.53, 334,895.01 and 135,239.60

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Solution

The fourth proportional to 242,670.53, 334,895.01 and 135,239.60 is: 186,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,670.53 : 334,895.01 = 135,239.60 : x
  2. Step 2: Convert to fraction form
    242,670.53/334,895.01 = 135,239.60/x
  3. Step 3: Cross multiply
    242,670.53x = 334,895.01 × 135,239.60
  4. Step 4: Simplify right side
    242,670.53x = 45,291,067,194.40
  5. Step 5: Solve for x
    x = 45,291,067,194.40/242,670.53
  6. Step 6: Final answer
    x = 186,636.04

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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.