Home / 145,053.20-200,122.08-94,781.36

Finding the Fourth Proportional to 145,053.20, 200,122.08 and 94,781.36

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Solution

The fourth proportional to 145,053.20, 200,122.08 and 94,781.36 is: 130,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,053.20 : 200,122.08 = 94,781.36 : x
  2. Step 2: Convert to fraction form
    145,053.20/200,122.08 = 94,781.36/x
  3. Step 3: Cross multiply
    145,053.20x = 200,122.08 × 94,781.36
  4. Step 4: Simplify right side
    145,053.20x = 18,967,841,907.82
  5. Step 5: Solve for x
    x = 18,967,841,907.82/145,053.20
  6. Step 6: Final answer
    x = 130,764.73

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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.