Home / 127,644.30-191,494.08-38,895.48

Finding the Fourth Proportional to 127,644.30, 191,494.08 and 38,895.48

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Solution

The fourth proportional to 127,644.30, 191,494.08 and 38,895.48 is: 58,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,644.30 : 191,494.08 = 38,895.48 : x
  2. Step 2: Convert to fraction form
    127,644.30/191,494.08 = 38,895.48/x
  3. Step 3: Cross multiply
    127,644.30x = 191,494.08 × 38,895.48
  4. Step 4: Simplify right side
    127,644.30x = 7,448,254,158.76
  5. Step 5: Solve for x
    x = 7,448,254,158.76/127,644.30
  6. Step 6: Final answer
    x = 58,351.64

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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.