Home / 240,128.07-359,905.81-111,872.31

Finding the Fourth Proportional to 240,128.07, 359,905.81 and 111,872.31

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Solution

The fourth proportional to 240,128.07, 359,905.81 and 111,872.31 is: 167,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,128.07 : 359,905.81 = 111,872.31 : x
  2. Step 2: Convert to fraction form
    240,128.07/359,905.81 = 111,872.31/x
  3. Step 3: Cross multiply
    240,128.07x = 359,905.81 × 111,872.31
  4. Step 4: Simplify right side
    240,128.07x = 40,263,494,347.12
  5. Step 5: Solve for x
    x = 40,263,494,347.12/240,128.07
  6. Step 6: Final answer
    x = 167,675.08

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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.