Home / 96,941.40-145,335.30-53,165.40

Finding the Fourth Proportional to 96,941.40, 145,335.30 and 53,165.40

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Solution

The fourth proportional to 96,941.40, 145,335.30 and 53,165.40 is: 79,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,941.40 : 145,335.30 = 53,165.40 : x
  2. Step 2: Convert to fraction form
    96,941.40/145,335.30 = 53,165.40/x
  3. Step 3: Cross multiply
    96,941.40x = 145,335.30 × 53,165.40
  4. Step 4: Simplify right side
    96,941.40x = 7,726,809,358.62
  5. Step 5: Solve for x
    x = 7,726,809,358.62/96,941.40
  6. Step 6: Final answer
    x = 79,705.98

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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.