Home / 153,929.40-230,456.70-136,433.40

Finding the Fourth Proportional to 153,929.40, 230,456.70 and 136,433.40

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Solution

The fourth proportional to 153,929.40, 230,456.70 and 136,433.40 is: 204,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,929.40 : 230,456.70 = 136,433.40 : x
  2. Step 2: Convert to fraction form
    153,929.40/230,456.70 = 136,433.40/x
  3. Step 3: Cross multiply
    153,929.40x = 230,456.70 × 136,433.40
  4. Step 4: Simplify right side
    153,929.40x = 31,441,991,133.78
  5. Step 5: Solve for x
    x = 31,441,991,133.78/153,929.40
  6. Step 6: Final answer
    x = 204,262.42

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1.5x scale

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.