Home / 137,281.13-205,842.83-73,160.33

Finding the Fourth Proportional to 137,281.13, 205,842.83 and 73,160.33

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Solution

The fourth proportional to 137,281.13, 205,842.83 and 73,160.33 is: 109,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,281.13 : 205,842.83 = 73,160.33 : x
  2. Step 2: Convert to fraction form
    137,281.13/205,842.83 = 73,160.33/x
  3. Step 3: Cross multiply
    137,281.13x = 205,842.83 × 73,160.33
  4. Step 4: Simplify right side
    137,281.13x = 15,059,528,779.79
  5. Step 5: Solve for x
    x = 15,059,528,779.79/137,281.13
  6. Step 6: Final answer
    x = 109,698.46

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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.