Home / 155,564.40-233,628.20-136,210.80

Finding the Fourth Proportional to 155,564.40, 233,628.20 and 136,210.80

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Solution

The fourth proportional to 155,564.40, 233,628.20 and 136,210.80 is: 204,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,564.40 : 233,628.20 = 136,210.80 : x
  2. Step 2: Convert to fraction form
    155,564.40/233,628.20 = 136,210.80/x
  3. Step 3: Cross multiply
    155,564.40x = 233,628.20 × 136,210.80
  4. Step 4: Simplify right side
    155,564.40x = 31,822,684,024.56
  5. Step 5: Solve for x
    x = 31,822,684,024.56/155,564.40
  6. Step 6: Final answer
    x = 204,562.77

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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.