Home / 187,595.54-258,907.66-115,041.81

Finding the Fourth Proportional to 187,595.54, 258,907.66 and 115,041.81

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Solution

The fourth proportional to 187,595.54, 258,907.66 and 115,041.81 is: 158,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,595.54 : 258,907.66 = 115,041.81 : x
  2. Step 2: Convert to fraction form
    187,595.54/258,907.66 = 115,041.81/x
  3. Step 3: Cross multiply
    187,595.54x = 258,907.66 × 115,041.81
  4. Step 4: Simplify right side
    187,595.54x = 29,785,205,829.26
  5. Step 5: Solve for x
    x = 29,785,205,829.26/187,595.54
  6. Step 6: Final answer
    x = 158,773.53

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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.