Home / 183,525.40-275,288.10-120,742.30

Finding the Fourth Proportional to 183,525.40, 275,288.10 and 120,742.30

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Solution

The fourth proportional to 183,525.40, 275,288.10 and 120,742.30 is: 181,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,525.40 : 275,288.10 = 120,742.30 : x
  2. Step 2: Convert to fraction form
    183,525.40/275,288.10 = 120,742.30/x
  3. Step 3: Cross multiply
    183,525.40x = 275,288.10 × 120,742.30
  4. Step 4: Simplify right side
    183,525.40x = 33,238,918,356.63
  5. Step 5: Solve for x
    x = 33,238,918,356.63/183,525.40
  6. Step 6: Final answer
    x = 181,113.45

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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.