Home / 155,565.40-233,629.70-136,211.80

Finding the Fourth Proportional to 155,565.40, 233,629.70 and 136,211.80

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Solution

The fourth proportional to 155,565.40, 233,629.70 and 136,211.80 is: 204,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,565.40 : 233,629.70 = 136,211.80 : x
  2. Step 2: Convert to fraction form
    155,565.40/233,629.70 = 136,211.80/x
  3. Step 3: Cross multiply
    155,565.40x = 233,629.70 × 136,211.80
  4. Step 4: Simplify right side
    155,565.40x = 31,823,121,970.46
  5. Step 5: Solve for x
    x = 31,823,121,970.46/155,565.40
  6. Step 6: Final answer
    x = 204,564.27

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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.