Home / 118,428.99-177,655.32-34,191.21

Finding the Fourth Proportional to 118,428.99, 177,655.32 and 34,191.21

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Solution

The fourth proportional to 118,428.99, 177,655.32 and 34,191.21 is: 51,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,428.99 : 177,655.32 = 34,191.21 : x
  2. Step 2: Convert to fraction form
    118,428.99/177,655.32 = 34,191.21/x
  3. Step 3: Cross multiply
    118,428.99x = 177,655.32 × 34,191.21
  4. Step 4: Simplify right side
    118,428.99x = 6,074,250,353.74
  5. Step 5: Solve for x
    x = 6,074,250,353.74/118,428.99
  6. Step 6: Final answer
    x = 51,290.23

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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.