Home / 183,990.22-253,913.70-103,417.50

Finding the Fourth Proportional to 183,990.22, 253,913.70 and 103,417.50

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Solution

The fourth proportional to 183,990.22, 253,913.70 and 103,417.50 is: 142,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,990.22 : 253,913.70 = 103,417.50 : x
  2. Step 2: Convert to fraction form
    183,990.22/253,913.70 = 103,417.50/x
  3. Step 3: Cross multiply
    183,990.22x = 253,913.70 × 103,417.50
  4. Step 4: Simplify right side
    183,990.22x = 26,259,120,069.75
  5. Step 5: Solve for x
    x = 26,259,120,069.75/183,990.22
  6. Step 6: Final answer
    x = 142,720.19

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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.