Home / 117,707.09-176,535.72-38,802.56

Finding the Fourth Proportional to 117,707.09, 176,535.72 and 38,802.56

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Solution

The fourth proportional to 117,707.09, 176,535.72 and 38,802.56 is: 58,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,707.09 : 176,535.72 = 38,802.56 : x
  2. Step 2: Convert to fraction form
    117,707.09/176,535.72 = 38,802.56/x
  3. Step 3: Cross multiply
    117,707.09x = 176,535.72 × 38,802.56
  4. Step 4: Simplify right side
    117,707.09x = 6,850,036,984.76
  5. Step 5: Solve for x
    x = 6,850,036,984.76/117,707.09
  6. Step 6: Final answer
    x = 58,195.62

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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.