Home / 103,439.69-155,159.26-27,538.23

Finding the Fourth Proportional to 103,439.69, 155,159.26 and 27,538.23

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Solution

The fourth proportional to 103,439.69, 155,159.26 and 27,538.23 is: 41,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,439.69 : 155,159.26 = 27,538.23 : x
  2. Step 2: Convert to fraction form
    103,439.69/155,159.26 = 27,538.23/x
  3. Step 3: Cross multiply
    103,439.69x = 155,159.26 × 27,538.23
  4. Step 4: Simplify right side
    103,439.69x = 4,272,810,862.92
  5. Step 5: Solve for x
    x = 4,272,810,862.92/103,439.69
  6. Step 6: Final answer
    x = 41,307.27

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1.5x scale

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.