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Finding the Fourth Proportional to 110,187, 152,058.60 and 59,886

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Solution

The fourth proportional to 110,187, 152,058.60 and 59,886 is: 82,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,187 : 152,058.60 = 59,886 : x
  2. Step 2: Convert to fraction form
    110,187/152,058.60 = 59,886/x
  3. Step 3: Cross multiply
    110,187x = 152,058.60 × 59,886
  4. Step 4: Simplify right side
    110,187x = 9,106,181,319.60
  5. Step 5: Solve for x
    x = 9,106,181,319.60/110,187
  6. Step 6: Final answer
    x = 82,642.97

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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.