Home / 136,005.96-187,682.12-75,576.32

Finding the Fourth Proportional to 136,005.96, 187,682.12 and 75,576.32

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Solution

The fourth proportional to 136,005.96, 187,682.12 and 75,576.32 is: 104,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,005.96 : 187,682.12 = 75,576.32 : x
  2. Step 2: Convert to fraction form
    136,005.96/187,682.12 = 75,576.32/x
  3. Step 3: Cross multiply
    136,005.96x = 187,682.12 × 75,576.32
  4. Step 4: Simplify right side
    136,005.96x = 14,184,323,959.40
  5. Step 5: Solve for x
    x = 14,184,323,959.40/136,005.96
  6. Step 6: Final answer
    x = 104,291.93

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1.5x scale

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.