Home / 183,780.06-253,622.15-103,209.31

Finding the Fourth Proportional to 183,780.06, 253,622.15 and 103,209.31

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Solution

The fourth proportional to 183,780.06, 253,622.15 and 103,209.31 is: 142,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,780.06 : 253,622.15 = 103,209.31 : x
  2. Step 2: Convert to fraction form
    183,780.06/253,622.15 = 103,209.31/x
  3. Step 3: Cross multiply
    183,780.06x = 253,622.15 × 103,209.31
  4. Step 4: Simplify right side
    183,780.06x = 26,176,167,102.22
  5. Step 5: Solve for x
    x = 26,176,167,102.22/183,780.06
  6. Step 6: Final answer
    x = 142,432.03

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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.