Home / 145,634.29-218,463.26-40,453.25

Finding the Fourth Proportional to 145,634.29, 218,463.26 and 40,453.25

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Solution

The fourth proportional to 145,634.29, 218,463.26 and 40,453.25 is: 60,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,634.29 : 218,463.26 = 40,453.25 : x
  2. Step 2: Convert to fraction form
    145,634.29/218,463.26 = 40,453.25/x
  3. Step 3: Cross multiply
    145,634.29x = 218,463.26 × 40,453.25
  4. Step 4: Simplify right side
    145,634.29x = 8,837,547,578.01
  5. Step 5: Solve for x
    x = 8,837,547,578.01/145,634.29
  6. Step 6: Final answer
    x = 60,683.15

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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.