Home / 282,623.90-423,990.03-93,138.98

Finding the Fourth Proportional to 282,623.90, 423,990.03 and 93,138.98

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Solution

The fourth proportional to 282,623.90, 423,990.03 and 93,138.98 is: 139,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,623.90 : 423,990.03 = 93,138.98 : x
  2. Step 2: Convert to fraction form
    282,623.90/423,990.03 = 93,138.98/x
  3. Step 3: Cross multiply
    282,623.90x = 423,990.03 × 93,138.98
  4. Step 4: Simplify right side
    282,623.90x = 39,489,998,924.37
  5. Step 5: Solve for x
    x = 39,489,998,924.37/282,623.90
  6. Step 6: Final answer
    x = 139,726.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.