Home / 214,490.16-321,762.06-64,730.21

Finding the Fourth Proportional to 214,490.16, 321,762.06 and 64,730.21

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Solution

The fourth proportional to 214,490.16, 321,762.06 and 64,730.21 is: 97,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,490.16 : 321,762.06 = 64,730.21 : x
  2. Step 2: Convert to fraction form
    214,490.16/321,762.06 = 64,730.21/x
  3. Step 3: Cross multiply
    214,490.16x = 321,762.06 × 64,730.21
  4. Step 4: Simplify right side
    214,490.16x = 20,827,724,105.02
  5. Step 5: Solve for x
    x = 20,827,724,105.02/214,490.16
  6. Step 6: Final answer
    x = 97,103.40

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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.