Home / 324,848.63-487,085.91-125,143.04

Finding the Fourth Proportional to 324,848.63, 487,085.91 and 125,143.04

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Solution

The fourth proportional to 324,848.63, 487,085.91 and 125,143.04 is: 187,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,848.63 : 487,085.91 = 125,143.04 : x
  2. Step 2: Convert to fraction form
    324,848.63/487,085.91 = 125,143.04/x
  3. Step 3: Cross multiply
    324,848.63x = 487,085.91 × 125,143.04
  4. Step 4: Simplify right side
    324,848.63x = 60,955,409,083.14
  5. Step 5: Solve for x
    x = 60,955,409,083.14/324,848.63
  6. Step 6: Final answer
    x = 187,642.50

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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.