Home / 97,535.80-146,205.78-66,385.72

Finding the Fourth Proportional to 97,535.80, 146,205.78 and 66,385.72

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Solution

The fourth proportional to 97,535.80, 146,205.78 and 66,385.72 is: 99,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,535.80 : 146,205.78 = 66,385.72 : x
  2. Step 2: Convert to fraction form
    97,535.80/146,205.78 = 66,385.72/x
  3. Step 3: Cross multiply
    97,535.80x = 146,205.78 × 66,385.72
  4. Step 4: Simplify right side
    97,535.80x = 9,705,975,973.46
  5. Step 5: Solve for x
    x = 9,705,975,973.46/97,535.80
  6. Step 6: Final answer
    x = 99,511.93

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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.