Home / 258,654.04-388,188.42-134,030.68

Finding the Fourth Proportional to 258,654.04, 388,188.42 and 134,030.68

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Solution

The fourth proportional to 258,654.04, 388,188.42 and 134,030.68 is: 201,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,654.04 : 388,188.42 = 134,030.68 : x
  2. Step 2: Convert to fraction form
    258,654.04/388,188.42 = 134,030.68/x
  3. Step 3: Cross multiply
    258,654.04x = 388,188.42 × 134,030.68
  4. Step 4: Simplify right side
    258,654.04x = 52,029,157,900.73
  5. Step 5: Solve for x
    x = 52,029,157,900.73/258,654.04
  6. Step 6: Final answer
    x = 201,153.47

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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.