Home / 152,172.35-209,960.08-98,392.65

Finding the Fourth Proportional to 152,172.35, 209,960.08 and 98,392.65

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Solution

The fourth proportional to 152,172.35, 209,960.08 and 98,392.65 is: 135,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,172.35 : 209,960.08 = 98,392.65 : x
  2. Step 2: Convert to fraction form
    152,172.35/209,960.08 = 98,392.65/x
  3. Step 3: Cross multiply
    152,172.35x = 209,960.08 × 98,392.65
  4. Step 4: Simplify right side
    152,172.35x = 20,658,528,665.41
  5. Step 5: Solve for x
    x = 20,658,528,665.41/152,172.35
  6. Step 6: Final answer
    x = 135,757.44

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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.