Home / 97,795.20-146,498.40-53,342.40

Finding the Fourth Proportional to 97,795.20, 146,498.40 and 53,342.40

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Solution

The fourth proportional to 97,795.20, 146,498.40 and 53,342.40 is: 79,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,795.20 : 146,498.40 = 53,342.40 : x
  2. Step 2: Convert to fraction form
    97,795.20/146,498.40 = 53,342.40/x
  3. Step 3: Cross multiply
    97,795.20x = 146,498.40 × 53,342.40
  4. Step 4: Simplify right side
    97,795.20x = 7,814,576,252.16
  5. Step 5: Solve for x
    x = 7,814,576,252.16/97,795.20
  6. Step 6: Final answer
    x = 79,907.56

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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.