Home / 147,359.50-203,356.14-80,291.50

Finding the Fourth Proportional to 147,359.50, 203,356.14 and 80,291.50

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Solution

The fourth proportional to 147,359.50, 203,356.14 and 80,291.50 is: 110,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,359.50 : 203,356.14 = 80,291.50 : x
  2. Step 2: Convert to fraction form
    147,359.50/203,356.14 = 80,291.50/x
  3. Step 3: Cross multiply
    147,359.50x = 203,356.14 × 80,291.50
  4. Step 4: Simplify right side
    147,359.50x = 16,327,769,514.81
  5. Step 5: Solve for x
    x = 16,327,769,514.81/147,359.50
  6. Step 6: Final answer
    x = 110,802.29

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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.