Home / 147,414.30-221,121.45-40,798.05

Finding the Fourth Proportional to 147,414.30, 221,121.45 and 40,798.05

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Solution

The fourth proportional to 147,414.30, 221,121.45 and 40,798.05 is: 61,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,414.30 : 221,121.45 = 40,798.05 : x
  2. Step 2: Convert to fraction form
    147,414.30/221,121.45 = 40,798.05/x
  3. Step 3: Cross multiply
    147,414.30x = 221,121.45 × 40,798.05
  4. Step 4: Simplify right side
    147,414.30x = 9,021,323,973.17
  5. Step 5: Solve for x
    x = 9,021,323,973.17/147,414.30
  6. Step 6: Final answer
    x = 61,197.08

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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.