Home / 145,733.10-202,028.82-137,750.58

Finding the Fourth Proportional to 145,733.10, 202,028.82 and 137,750.58

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Solution

The fourth proportional to 145,733.10, 202,028.82 and 137,750.58 is: 190,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,733.10 : 202,028.82 = 137,750.58 : x
  2. Step 2: Convert to fraction form
    145,733.10/202,028.82 = 137,750.58/x
  3. Step 3: Cross multiply
    145,733.10x = 202,028.82 × 137,750.58
  4. Step 4: Simplify right side
    145,733.10x = 27,829,587,131.72
  5. Step 5: Solve for x
    x = 27,829,587,131.72/145,733.10
  6. Step 6: Final answer
    x = 190,962.71

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.