Home / 242,418.86-334,537.18-134,990.18

Finding the Fourth Proportional to 242,418.86, 334,537.18 and 134,990.18

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Solution

The fourth proportional to 242,418.86, 334,537.18 and 134,990.18 is: 186,285.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,418.86 : 334,537.18 = 134,990.18 : x
  2. Step 2: Convert to fraction form
    242,418.86/334,537.18 = 134,990.18/x
  3. Step 3: Cross multiply
    242,418.86x = 334,537.18 × 134,990.18
  4. Step 4: Simplify right side
    242,418.86x = 45,159,232,134.73
  5. Step 5: Solve for x
    x = 45,159,232,134.73/242,418.86
  6. Step 6: Final answer
    x = 186,285.97

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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.