Home / 137,655.06-190,001.13-89,907.38

Finding the Fourth Proportional to 137,655.06, 190,001.13 and 89,907.38

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Solution

The fourth proportional to 137,655.06, 190,001.13 and 89,907.38 is: 124,096.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,655.06 : 190,001.13 = 89,907.38 : x
  2. Step 2: Convert to fraction form
    137,655.06/190,001.13 = 89,907.38/x
  3. Step 3: Cross multiply
    137,655.06x = 190,001.13 × 89,907.38
  4. Step 4: Simplify right side
    137,655.06x = 17,082,502,845.33
  5. Step 5: Solve for x
    x = 17,082,502,845.33/137,655.06
  6. Step 6: Final answer
    x = 124,096.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.