Home / 147,769.10-221,325.60-121,525.10

Finding the Fourth Proportional to 147,769.10, 221,325.60 and 121,525.10

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Solution

The fourth proportional to 147,769.10, 221,325.60 and 121,525.10 is: 182,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,769.10 : 221,325.60 = 121,525.10 : x
  2. Step 2: Convert to fraction form
    147,769.10/221,325.60 = 121,525.10/x
  3. Step 3: Cross multiply
    147,769.10x = 221,325.60 × 121,525.10
  4. Step 4: Simplify right side
    147,769.10x = 26,896,615,672.56
  5. Step 5: Solve for x
    x = 26,896,615,672.56/147,769.10
  6. Step 6: Final answer
    x = 182,017.86

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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.