Home / 98,815.72-136,365.53-53,493.69

Finding the Fourth Proportional to 98,815.72, 136,365.53 and 53,493.69

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Solution

The fourth proportional to 98,815.72, 136,365.53 and 53,493.69 is: 73,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,815.72 : 136,365.53 = 53,493.69 : x
  2. Step 2: Convert to fraction form
    98,815.72/136,365.53 = 53,493.69/x
  3. Step 3: Cross multiply
    98,815.72x = 136,365.53 × 53,493.69
  4. Step 4: Simplify right side
    98,815.72x = 7,294,694,706.68
  5. Step 5: Solve for x
    x = 7,294,694,706.68/98,815.72
  6. Step 6: Final answer
    x = 73,821.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.