Home / 103,852.07-155,711.57-43,864.28

Finding the Fourth Proportional to 103,852.07, 155,711.57 and 43,864.28

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Solution

The fourth proportional to 103,852.07, 155,711.57 and 43,864.28 is: 65,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,852.07 : 155,711.57 = 43,864.28 : x
  2. Step 2: Convert to fraction form
    103,852.07/155,711.57 = 43,864.28/x
  3. Step 3: Cross multiply
    103,852.07x = 155,711.57 × 43,864.28
  4. Step 4: Simplify right side
    103,852.07x = 6,830,176,367.64
  5. Step 5: Solve for x
    x = 6,830,176,367.64/103,852.07
  6. Step 6: Final answer
    x = 65,768.32

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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.