Home / 121,525.10-182,287.65-104,903.90

Finding the Fourth Proportional to 121,525.10, 182,287.65 and 104,903.90

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Solution

The fourth proportional to 121,525.10, 182,287.65 and 104,903.90 is: 157,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,525.10 : 182,287.65 = 104,903.90 : x
  2. Step 2: Convert to fraction form
    121,525.10/182,287.65 = 104,903.90/x
  3. Step 3: Cross multiply
    121,525.10x = 182,287.65 × 104,903.90
  4. Step 4: Simplify right side
    121,525.10x = 19,122,685,406.84
  5. Step 5: Solve for x
    x = 19,122,685,406.84/121,525.10
  6. Step 6: Final answer
    x = 157,355.85

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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.