Home / 183,745.12-253,565.04-103,173.28

Finding the Fourth Proportional to 183,745.12, 253,565.04 and 103,173.28

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Solution

The fourth proportional to 183,745.12, 253,565.04 and 103,173.28 is: 142,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,745.12 : 253,565.04 = 103,173.28 : x
  2. Step 2: Convert to fraction form
    183,745.12/253,565.04 = 103,173.28/x
  3. Step 3: Cross multiply
    183,745.12x = 253,565.04 × 103,173.28
  4. Step 4: Simplify right side
    183,745.12x = 26,161,136,870.13
  5. Step 5: Solve for x
    x = 26,161,136,870.13/183,745.12
  6. Step 6: Final answer
    x = 142,377.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.