Home / 240,136.12-360,191.12-121,804.36

Finding the Fourth Proportional to 240,136.12, 360,191.12 and 121,804.36

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Solution

The fourth proportional to 240,136.12, 360,191.12 and 121,804.36 is: 182,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,136.12 : 360,191.12 = 121,804.36 : x
  2. Step 2: Convert to fraction form
    240,136.12/360,191.12 = 121,804.36/x
  3. Step 3: Cross multiply
    240,136.12x = 360,191.12 × 121,804.36
  4. Step 4: Simplify right side
    240,136.12x = 43,872,848,849.28
  5. Step 5: Solve for x
    x = 43,872,848,849.28/240,136.12
  6. Step 6: Final answer
    x = 182,699.92

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1.5x scale

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.