Home / 134,491.23-201,678.48-45,720.90

Finding the Fourth Proportional to 134,491.23, 201,678.48 and 45,720.90

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Solution

The fourth proportional to 134,491.23, 201,678.48 and 45,720.90 is: 68,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,491.23 : 201,678.48 = 45,720.90 : x
  2. Step 2: Convert to fraction form
    134,491.23/201,678.48 = 45,720.90/x
  3. Step 3: Cross multiply
    134,491.23x = 201,678.48 × 45,720.90
  4. Step 4: Simplify right side
    134,491.23x = 9,220,921,616.23
  5. Step 5: Solve for x
    x = 9,220,921,616.23/134,491.23
  6. Step 6: Final answer
    x = 68,561.51

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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.