Home / 214,302.07-321,430.55-87,955.66

Finding the Fourth Proportional to 214,302.07, 321,430.55 and 87,955.66

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Solution

The fourth proportional to 214,302.07, 321,430.55 and 87,955.66 is: 131,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,302.07 : 321,430.55 = 87,955.66 : x
  2. Step 2: Convert to fraction form
    214,302.07/321,430.55 = 87,955.66/x
  3. Step 3: Cross multiply
    214,302.07x = 321,430.55 × 87,955.66
  4. Step 4: Simplify right side
    214,302.07x = 28,271,636,131.42
  5. Step 5: Solve for x
    x = 28,271,636,131.42/214,302.07
  6. Step 6: Final answer
    x = 131,924.23

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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.