Home / 155,429.20-233,028.60-105,384.40

Finding the Fourth Proportional to 155,429.20, 233,028.60 and 105,384.40

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Solution

The fourth proportional to 155,429.20, 233,028.60 and 105,384.40 is: 157,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.20 : 233,028.60 = 105,384.40 : x
  2. Step 2: Convert to fraction form
    155,429.20/233,028.60 = 105,384.40/x
  3. Step 3: Cross multiply
    155,429.20x = 233,028.60 × 105,384.40
  4. Step 4: Simplify right side
    155,429.20x = 24,557,579,193.84
  5. Step 5: Solve for x
    x = 24,557,579,193.84/155,429.20
  6. Step 6: Final answer
    x = 157,998.49

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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.