Home / 152,987.79-229,481.65-47,806.76

Finding the Fourth Proportional to 152,987.79, 229,481.65 and 47,806.76

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Solution

The fourth proportional to 152,987.79, 229,481.65 and 47,806.76 is: 71,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,987.79 : 229,481.65 = 47,806.76 : x
  2. Step 2: Convert to fraction form
    152,987.79/229,481.65 = 47,806.76/x
  3. Step 3: Cross multiply
    152,987.79x = 229,481.65 × 47,806.76
  4. Step 4: Simplify right side
    152,987.79x = 10,970,774,620.14
  5. Step 5: Solve for x
    x = 10,970,774,620.14/152,987.79
  6. Step 6: Final answer
    x = 71,710.13

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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.