Home / 188,427.12-260,030.88-103,545.60

Finding the Fourth Proportional to 188,427.12, 260,030.88 and 103,545.60

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Solution

The fourth proportional to 188,427.12, 260,030.88 and 103,545.60 is: 142,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,427.12 : 260,030.88 = 103,545.60 : x
  2. Step 2: Convert to fraction form
    188,427.12/260,030.88 = 103,545.60/x
  3. Step 3: Cross multiply
    188,427.12x = 260,030.88 × 103,545.60
  4. Step 4: Simplify right side
    188,427.12x = 26,925,053,488.13
  5. Step 5: Solve for x
    x = 26,925,053,488.13/188,427.12
  6. Step 6: Final answer
    x = 142,893.73

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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.