Home / 147,629.90-221,111.92-68,577.77

Finding the Fourth Proportional to 147,629.90, 221,111.92 and 68,577.77

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Solution

The fourth proportional to 147,629.90, 221,111.92 and 68,577.77 is: 102,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,629.90 : 221,111.92 = 68,577.77 : x
  2. Step 2: Convert to fraction form
    147,629.90/221,111.92 = 68,577.77/x
  3. Step 3: Cross multiply
    147,629.90x = 221,111.92 × 68,577.77
  4. Step 4: Simplify right side
    147,629.90x = 15,163,363,032.52
  5. Step 5: Solve for x
    x = 15,163,363,032.52/147,629.90
  6. Step 6: Final answer
    x = 102,712.00

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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.