Home / 152,886.40-229,329.60-136,556.80

Finding the Fourth Proportional to 152,886.40, 229,329.60 and 136,556.80

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Solution

The fourth proportional to 152,886.40, 229,329.60 and 136,556.80 is: 204,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,886.40 : 229,329.60 = 136,556.80 : x
  2. Step 2: Convert to fraction form
    152,886.40/229,329.60 = 136,556.80/x
  3. Step 3: Cross multiply
    152,886.40x = 229,329.60 × 136,556.80
  4. Step 4: Simplify right side
    152,886.40x = 31,316,516,321.28
  5. Step 5: Solve for x
    x = 31,316,516,321.28/152,886.40
  6. Step 6: Final answer
    x = 204,835.20

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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.