Home / 89,434.86-133,962.74-61,222.56

Finding the Fourth Proportional to 89,434.86, 133,962.74 and 61,222.56

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Solution

The fourth proportional to 89,434.86, 133,962.74 and 61,222.56 is: 91,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,434.86 : 133,962.74 = 61,222.56 : x
  2. Step 2: Convert to fraction form
    89,434.86/133,962.74 = 61,222.56/x
  3. Step 3: Cross multiply
    89,434.86x = 133,962.74 × 61,222.56
  4. Step 4: Simplify right side
    89,434.86x = 8,201,541,887.41
  5. Step 5: Solve for x
    x = 8,201,541,887.41/89,434.86
  6. Step 6: Final answer
    x = 91,704.08

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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.