Home / 214,959.40-321,947.36-102,718.52

Finding the Fourth Proportional to 214,959.40, 321,947.36 and 102,718.52

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Solution

The fourth proportional to 214,959.40, 321,947.36 and 102,718.52 is: 153,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,959.40 : 321,947.36 = 102,718.52 : x
  2. Step 2: Convert to fraction form
    214,959.40/321,947.36 = 102,718.52/x
  3. Step 3: Cross multiply
    214,959.40x = 321,947.36 × 102,718.52
  4. Step 4: Simplify right side
    214,959.40x = 33,069,956,337.11
  5. Step 5: Solve for x
    x = 33,069,956,337.11/214,959.40
  6. Step 6: Final answer
    x = 153,842.80

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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.