Home / 121,159.00-167,339.39-80,802.62

Finding the Fourth Proportional to 121,159.00, 167,339.39 and 80,802.62

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Solution

The fourth proportional to 121,159.00, 167,339.39 and 80,802.62 is: 111,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,159.00 : 167,339.39 = 80,802.62 : x
  2. Step 2: Convert to fraction form
    121,159.00/167,339.39 = 80,802.62/x
  3. Step 3: Cross multiply
    121,159.00x = 167,339.39 × 80,802.62
  4. Step 4: Simplify right side
    121,159.00x = 13,521,460,528.01
  5. Step 5: Solve for x
    x = 13,521,460,528.01/121,159.00
  6. Step 6: Final answer
    x = 111,600.96

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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.