Home / 145,669.58-218,322.87-52,072.46

Finding the Fourth Proportional to 145,669.58, 218,322.87 and 52,072.46

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Solution

The fourth proportional to 145,669.58, 218,322.87 and 52,072.46 is: 78,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,669.58 : 218,322.87 = 52,072.46 : x
  2. Step 2: Convert to fraction form
    145,669.58/218,322.87 = 52,072.46/x
  3. Step 3: Cross multiply
    145,669.58x = 218,322.87 × 52,072.46
  4. Step 4: Simplify right side
    145,669.58x = 11,368,608,915.16
  5. Step 5: Solve for x
    x = 11,368,608,915.16/145,669.58
  6. Step 6: Final answer
    x = 78,043.81

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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.