Home / 184,988.31-255,293.07-112,391.75

Finding the Fourth Proportional to 184,988.31, 255,293.07 and 112,391.75

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Solution

The fourth proportional to 184,988.31, 255,293.07 and 112,391.75 is: 155,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,988.31 : 255,293.07 = 112,391.75 : x
  2. Step 2: Convert to fraction form
    184,988.31/255,293.07 = 112,391.75/x
  3. Step 3: Cross multiply
    184,988.31x = 255,293.07 × 112,391.75
  4. Step 4: Simplify right side
    184,988.31x = 28,692,835,116.94
  5. Step 5: Solve for x
    x = 28,692,835,116.94/184,988.31
  6. Step 6: Final answer
    x = 155,106.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.