Home / 134,209.31-185,205.15-73,780.07

Finding the Fourth Proportional to 134,209.31, 185,205.15 and 73,780.07

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Solution

The fourth proportional to 134,209.31, 185,205.15 and 73,780.07 is: 101,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,209.31 : 185,205.15 = 73,780.07 : x
  2. Step 2: Convert to fraction form
    134,209.31/185,205.15 = 73,780.07/x
  3. Step 3: Cross multiply
    134,209.31x = 185,205.15 × 73,780.07
  4. Step 4: Simplify right side
    134,209.31x = 13,664,448,005.33
  5. Step 5: Solve for x
    x = 13,664,448,005.33/134,209.31
  6. Step 6: Final answer
    x = 101,814.46

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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.