Home / 98,122.60-147,139.62-27,985.24

Finding the Fourth Proportional to 98,122.60, 147,139.62 and 27,985.24

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Solution

The fourth proportional to 98,122.60, 147,139.62 and 27,985.24 is: 41,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,122.60 : 147,139.62 = 27,985.24 : x
  2. Step 2: Convert to fraction form
    98,122.60/147,139.62 = 27,985.24/x
  3. Step 3: Cross multiply
    98,122.60x = 147,139.62 × 27,985.24
  4. Step 4: Simplify right side
    98,122.60x = 4,117,737,579.21
  5. Step 5: Solve for x
    x = 4,117,737,579.21/98,122.60
  6. Step 6: Final answer
    x = 41,965.23

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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.