Home / 147,418.08-221,125.91-42,237.15

Finding the Fourth Proportional to 147,418.08, 221,125.91 and 42,237.15

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Solution

The fourth proportional to 147,418.08, 221,125.91 and 42,237.15 is: 63,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,418.08 : 221,125.91 = 42,237.15 : x
  2. Step 2: Convert to fraction form
    147,418.08/221,125.91 = 42,237.15/x
  3. Step 3: Cross multiply
    147,418.08x = 221,125.91 × 42,237.15
  4. Step 4: Simplify right side
    147,418.08x = 9,339,728,018.37
  5. Step 5: Solve for x
    x = 9,339,728,018.37/147,418.08
  6. Step 6: Final answer
    x = 63,355.38

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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.