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Finding the Fourth Proportional to 96,595.40, 144,957.90 and 57,110.60

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Solution

The fourth proportional to 96,595.40, 144,957.90 and 57,110.60 is: 85,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,595.40 : 144,957.90 = 57,110.60 : x
  2. Step 2: Convert to fraction form
    96,595.40/144,957.90 = 57,110.60/x
  3. Step 3: Cross multiply
    96,595.40x = 144,957.90 × 57,110.60
  4. Step 4: Simplify right side
    96,595.40x = 8,278,632,643.74
  5. Step 5: Solve for x
    x = 8,278,632,643.74/96,595.40
  6. Step 6: Final answer
    x = 85,704.21

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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.