Home / 127,519.65-191,279.63-47,556.40

Finding the Fourth Proportional to 127,519.65, 191,279.63 and 47,556.40

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Solution

The fourth proportional to 127,519.65, 191,279.63 and 47,556.40 is: 71,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,519.65 : 191,279.63 = 47,556.40 : x
  2. Step 2: Convert to fraction form
    127,519.65/191,279.63 = 47,556.40/x
  3. Step 3: Cross multiply
    127,519.65x = 191,279.63 × 47,556.40
  4. Step 4: Simplify right side
    127,519.65x = 9,096,570,596.13
  5. Step 5: Solve for x
    x = 9,096,570,596.13/127,519.65
  6. Step 6: Final answer
    x = 71,334.66

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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.