Home / 149,982.64-225,030.80-90,053.04

Finding the Fourth Proportional to 149,982.64, 225,030.80 and 90,053.04

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Solution

The fourth proportional to 149,982.64, 225,030.80 and 90,053.04 is: 135,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,982.64 : 225,030.80 = 90,053.04 : x
  2. Step 2: Convert to fraction form
    149,982.64/225,030.80 = 90,053.04/x
  3. Step 3: Cross multiply
    149,982.64x = 225,030.80 × 90,053.04
  4. Step 4: Simplify right side
    149,982.64x = 20,264,707,633.63
  5. Step 5: Solve for x
    x = 20,264,707,633.63/149,982.64
  6. Step 6: Final answer
    x = 135,113.69

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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.