Home / 155,926.80-233,999.55-99,903.15

Finding the Fourth Proportional to 155,926.80, 233,999.55 and 99,903.15

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Solution

The fourth proportional to 155,926.80, 233,999.55 and 99,903.15 is: 149,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,926.80 : 233,999.55 = 99,903.15 : x
  2. Step 2: Convert to fraction form
    155,926.80/233,999.55 = 99,903.15/x
  3. Step 3: Cross multiply
    155,926.80x = 233,999.55 × 99,903.15
  4. Step 4: Simplify right side
    155,926.80x = 23,377,292,143.58
  5. Step 5: Solve for x
    x = 23,377,292,143.58/155,926.80
  6. Step 6: Final answer
    x = 149,924.79

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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.