Home / 155,678.84-233,518.49-43,359.38

Finding the Fourth Proportional to 155,678.84, 233,518.49 and 43,359.38

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Solution

The fourth proportional to 155,678.84, 233,518.49 and 43,359.38 is: 65,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,678.84 : 233,518.49 = 43,359.38 : x
  2. Step 2: Convert to fraction form
    155,678.84/233,518.49 = 43,359.38/x
  3. Step 3: Cross multiply
    155,678.84x = 233,518.49 × 43,359.38
  4. Step 4: Simplify right side
    155,678.84x = 10,125,216,944.94
  5. Step 5: Solve for x
    x = 10,125,216,944.94/155,678.84
  6. Step 6: Final answer
    x = 65,039.13

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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.