Home / 136,076.64-204,113.28-47,328.48

Finding the Fourth Proportional to 136,076.64, 204,113.28 and 47,328.48

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Solution

The fourth proportional to 136,076.64, 204,113.28 and 47,328.48 is: 70,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,076.64 : 204,113.28 = 47,328.48 : x
  2. Step 2: Convert to fraction form
    136,076.64/204,113.28 = 47,328.48/x
  3. Step 3: Cross multiply
    136,076.64x = 204,113.28 × 47,328.48
  4. Step 4: Simplify right side
    136,076.64x = 9,660,371,290.21
  5. Step 5: Solve for x
    x = 9,660,371,290.21/136,076.64
  6. Step 6: Final answer
    x = 70,992.14

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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.