Home / 98,493.03-147,772.35-31,935.33

Finding the Fourth Proportional to 98,493.03, 147,772.35 and 31,935.33

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Solution

The fourth proportional to 98,493.03, 147,772.35 and 31,935.33 is: 47,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,493.03 : 147,772.35 = 31,935.33 : x
  2. Step 2: Convert to fraction form
    98,493.03/147,772.35 = 31,935.33/x
  3. Step 3: Cross multiply
    98,493.03x = 147,772.35 × 31,935.33
  4. Step 4: Simplify right side
    98,493.03x = 4,719,158,762.13
  5. Step 5: Solve for x
    x = 4,719,158,762.13/98,493.03
  6. Step 6: Final answer
    x = 47,913.63

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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.