Home / 136,300.32-204,400.80-47,537.28

Finding the Fourth Proportional to 136,300.32, 204,400.80 and 47,537.28

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Solution

The fourth proportional to 136,300.32, 204,400.80 and 47,537.28 is: 71,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,300.32 : 204,400.80 = 47,537.28 : x
  2. Step 2: Convert to fraction form
    136,300.32/204,400.80 = 47,537.28/x
  3. Step 3: Cross multiply
    136,300.32x = 204,400.80 × 47,537.28
  4. Step 4: Simplify right side
    136,300.32x = 9,716,658,061.82
  5. Step 5: Solve for x
    x = 9,716,658,061.82/136,300.32
  6. Step 6: Final answer
    x = 71,288.59

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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.