Home / 89,371.16-134,076.02-30,205.52

Finding the Fourth Proportional to 89,371.16, 134,076.02 and 30,205.52

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Solution

The fourth proportional to 89,371.16, 134,076.02 and 30,205.52 is: 45,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,371.16 : 134,076.02 = 30,205.52 : x
  2. Step 2: Convert to fraction form
    89,371.16/134,076.02 = 30,205.52/x
  3. Step 3: Cross multiply
    89,371.16x = 134,076.02 × 30,205.52
  4. Step 4: Simplify right side
    89,371.16x = 4,049,835,903.63
  5. Step 5: Solve for x
    x = 4,049,835,903.63/89,371.16
  6. Step 6: Final answer
    x = 45,314.80

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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.