Home / 89,367.16-134,070.02-30,201.52

Finding the Fourth Proportional to 89,367.16, 134,070.02 and 30,201.52

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Solution

The fourth proportional to 89,367.16, 134,070.02 and 30,201.52 is: 45,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,367.16 : 134,070.02 = 30,201.52 : x
  2. Step 2: Convert to fraction form
    89,367.16/134,070.02 = 30,201.52/x
  3. Step 3: Cross multiply
    89,367.16x = 134,070.02 × 30,201.52
  4. Step 4: Simplify right side
    89,367.16x = 4,049,118,390.43
  5. Step 5: Solve for x
    x = 4,049,118,390.43/89,367.16
  6. Step 6: Final answer
    x = 45,308.80

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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.