Home / 155,419.47-233,129.79-43,108.47

Finding the Fourth Proportional to 155,419.47, 233,129.79 and 43,108.47

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Solution

The fourth proportional to 155,419.47, 233,129.79 and 43,108.47 is: 64,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,419.47 : 233,129.79 = 43,108.47 : x
  2. Step 2: Convert to fraction form
    155,419.47/233,129.79 = 43,108.47/x
  3. Step 3: Cross multiply
    155,419.47x = 233,129.79 × 43,108.47
  4. Step 4: Simplify right side
    155,419.47x = 10,049,868,558.32
  5. Step 5: Solve for x
    x = 10,049,868,558.32/155,419.47
  6. Step 6: Final answer
    x = 64,662.87

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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.