Home / 214,547.34-321,937.65-89,975.82

Finding the Fourth Proportional to 214,547.34, 321,937.65 and 89,975.82

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Solution

The fourth proportional to 214,547.34, 321,937.65 and 89,975.82 is: 135,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,547.34 : 321,937.65 = 89,975.82 : x
  2. Step 2: Convert to fraction form
    214,547.34/321,937.65 = 89,975.82/x
  3. Step 3: Cross multiply
    214,547.34x = 321,937.65 × 89,975.82
  4. Step 4: Simplify right side
    214,547.34x = 28,966,604,047.62
  5. Step 5: Solve for x
    x = 28,966,604,047.62/214,547.34
  6. Step 6: Final answer
    x = 135,012.65

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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.