Home / 152,111.54-209,829.66-88,442.30

Finding the Fourth Proportional to 152,111.54, 209,829.66 and 88,442.30

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Solution

The fourth proportional to 152,111.54, 209,829.66 and 88,442.30 is: 122,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,111.54 : 209,829.66 = 88,442.30 : x
  2. Step 2: Convert to fraction form
    152,111.54/209,829.66 = 88,442.30/x
  3. Step 3: Cross multiply
    152,111.54x = 209,829.66 × 88,442.30
  4. Step 4: Simplify right side
    152,111.54x = 18,557,817,738.62
  5. Step 5: Solve for x
    x = 18,557,817,738.62/152,111.54
  6. Step 6: Final answer
    x = 122,001.38

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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.