Home / 135,886.02-187,516.38-75,460.48

Finding the Fourth Proportional to 135,886.02, 187,516.38 and 75,460.48

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Solution

The fourth proportional to 135,886.02, 187,516.38 and 75,460.48 is: 104,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,886.02 : 187,516.38 = 75,460.48 : x
  2. Step 2: Convert to fraction form
    135,886.02/187,516.38 = 75,460.48/x
  3. Step 3: Cross multiply
    135,886.02x = 187,516.38 × 75,460.48
  4. Step 4: Simplify right side
    135,886.02x = 14,150,076,042.66
  5. Step 5: Solve for x
    x = 14,150,076,042.66/135,886.02
  6. Step 6: Final answer
    x = 104,131.95

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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.