Home / 136,009.63-187,681.35-75,576.44

Finding the Fourth Proportional to 136,009.63, 187,681.35 and 75,576.44

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Solution

The fourth proportional to 136,009.63, 187,681.35 and 75,576.44 is: 104,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,009.63 : 187,681.35 = 75,576.44 : x
  2. Step 2: Convert to fraction form
    136,009.63/187,681.35 = 75,576.44/x
  3. Step 3: Cross multiply
    136,009.63x = 187,681.35 × 75,576.44
  4. Step 4: Simplify right side
    136,009.63x = 14,184,289,040.01
  5. Step 5: Solve for x
    x = 14,184,289,040.01/136,009.63
  6. Step 6: Final answer
    x = 104,288.86

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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.