Home / 115,875.25-173,890.78-40,995.10

Finding the Fourth Proportional to 115,875.25, 173,890.78 and 40,995.10

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Solution

The fourth proportional to 115,875.25, 173,890.78 and 40,995.10 is: 61,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,875.25 : 173,890.78 = 40,995.10 : x
  2. Step 2: Convert to fraction form
    115,875.25/173,890.78 = 40,995.10/x
  3. Step 3: Cross multiply
    115,875.25x = 173,890.78 × 40,995.10
  4. Step 4: Simplify right side
    115,875.25x = 7,128,669,915.18
  5. Step 5: Solve for x
    x = 7,128,669,915.18/115,875.25
  6. Step 6: Final answer
    x = 61,520.21

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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.