Home / 214,303.19-321,432.23-87,956.79

Finding the Fourth Proportional to 214,303.19, 321,432.23 and 87,956.79

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Solution

The fourth proportional to 214,303.19, 321,432.23 and 87,956.79 is: 131,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,303.19 : 321,432.23 = 87,956.79 : x
  2. Step 2: Convert to fraction form
    214,303.19/321,432.23 = 87,956.79/x
  3. Step 3: Cross multiply
    214,303.19x = 321,432.23 × 87,956.79
  4. Step 4: Simplify right side
    214,303.19x = 28,272,146,713.56
  5. Step 5: Solve for x
    x = 28,272,146,713.56/214,303.19
  6. Step 6: Final answer
    x = 131,925.93

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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.