Home / 214,430.04-321,645.90-89,683.56

Finding the Fourth Proportional to 214,430.04, 321,645.90 and 89,683.56

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Solution

The fourth proportional to 214,430.04, 321,645.90 and 89,683.56 is: 134,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,430.04 : 321,645.90 = 89,683.56 : x
  2. Step 2: Convert to fraction form
    214,430.04/321,645.90 = 89,683.56/x
  3. Step 3: Cross multiply
    214,430.04x = 321,645.90 × 89,683.56
  4. Step 4: Simplify right side
    214,430.04x = 28,846,349,371.40
  5. Step 5: Solve for x
    x = 28,846,349,371.40/214,430.04
  6. Step 6: Final answer
    x = 134,525.69

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1.5x scale

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.