Home / 123,955.26-185,829.28-57,443.06

Finding the Fourth Proportional to 123,955.26, 185,829.28 and 57,443.06

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Solution

The fourth proportional to 123,955.26, 185,829.28 and 57,443.06 is: 86,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,955.26 : 185,829.28 = 57,443.06 : x
  2. Step 2: Convert to fraction form
    123,955.26/185,829.28 = 57,443.06/x
  3. Step 3: Cross multiply
    123,955.26x = 185,829.28 × 57,443.06
  4. Step 4: Simplify right side
    123,955.26x = 10,674,602,480.80
  5. Step 5: Solve for x
    x = 10,674,602,480.80/123,955.26
  6. Step 6: Final answer
    x = 86,116.58

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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.