Home / 107,803.23-147,690.96-103,762.90

Finding the Fourth Proportional to 107,803.23, 147,690.96 and 103,762.90

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Solution

The fourth proportional to 107,803.23, 147,690.96 and 103,762.90 is: 142,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,803.23 : 147,690.96 = 103,762.90 : x
  2. Step 2: Convert to fraction form
    107,803.23/147,690.96 = 103,762.90/x
  3. Step 3: Cross multiply
    107,803.23x = 147,690.96 × 103,762.90
  4. Step 4: Simplify right side
    107,803.23x = 15,324,842,313.38
  5. Step 5: Solve for x
    x = 15,324,842,313.38/107,803.23
  6. Step 6: Final answer
    x = 142,155.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.