Home / 118,115.23-162,996.07-64,401.30

Finding the Fourth Proportional to 118,115.23, 162,996.07 and 64,401.30

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Solution

The fourth proportional to 118,115.23, 162,996.07 and 64,401.30 is: 88,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,115.23 : 162,996.07 = 64,401.30 : x
  2. Step 2: Convert to fraction form
    118,115.23/162,996.07 = 64,401.30/x
  3. Step 3: Cross multiply
    118,115.23x = 162,996.07 × 64,401.30
  4. Step 4: Simplify right side
    118,115.23x = 10,497,158,802.89
  5. Step 5: Solve for x
    x = 10,497,158,802.89/118,115.23
  6. Step 6: Final answer
    x = 88,872.19

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1.5x scale

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.