Home / 89,344.40-133,822.20-54,222.80

Finding the Fourth Proportional to 89,344.40, 133,822.20 and 54,222.80

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Solution

The fourth proportional to 89,344.40, 133,822.20 and 54,222.80 is: 81,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,344.40 : 133,822.20 = 54,222.80 : x
  2. Step 2: Convert to fraction form
    89,344.40/133,822.20 = 54,222.80/x
  3. Step 3: Cross multiply
    89,344.40x = 133,822.20 × 54,222.80
  4. Step 4: Simplify right side
    89,344.40x = 7,256,214,386.16
  5. Step 5: Solve for x
    x = 7,256,214,386.16/89,344.40
  6. Step 6: Final answer
    x = 81,216.22

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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.