Home / 96,748.40-145,429.80-89,375.60

Finding the Fourth Proportional to 96,748.40, 145,429.80 and 89,375.60

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Solution

The fourth proportional to 96,748.40, 145,429.80 and 89,375.60 is: 134,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,748.40 : 145,429.80 = 89,375.60 : x
  2. Step 2: Convert to fraction form
    96,748.40/145,429.80 = 89,375.60/x
  3. Step 3: Cross multiply
    96,748.40x = 145,429.80 × 89,375.60
  4. Step 4: Simplify right side
    96,748.40x = 12,997,875,632.88
  5. Step 5: Solve for x
    x = 12,997,875,632.88/96,748.40
  6. Step 6: Final answer
    x = 134,347.19

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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.