Home / 258,934.52-357,315.74-142,644.17

Finding the Fourth Proportional to 258,934.52, 357,315.74 and 142,644.17

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Solution

The fourth proportional to 258,934.52, 357,315.74 and 142,644.17 is: 196,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,934.52 : 357,315.74 = 142,644.17 : x
  2. Step 2: Convert to fraction form
    258,934.52/357,315.74 = 142,644.17/x
  3. Step 3: Cross multiply
    258,934.52x = 357,315.74 × 142,644.17
  4. Step 4: Simplify right side
    258,934.52x = 50,969,007,875.22
  5. Step 5: Solve for x
    x = 50,969,007,875.22/258,934.52
  6. Step 6: Final answer
    x = 196,841.30

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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.