Home / 104,130.72-156,090.91-40,995.14

Finding the Fourth Proportional to 104,130.72, 156,090.91 and 40,995.14

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Solution

The fourth proportional to 104,130.72, 156,090.91 and 40,995.14 is: 61,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,130.72 : 156,090.91 = 40,995.14 : x
  2. Step 2: Convert to fraction form
    104,130.72/156,090.91 = 40,995.14/x
  3. Step 3: Cross multiply
    104,130.72x = 156,090.91 × 40,995.14
  4. Step 4: Simplify right side
    104,130.72x = 6,398,968,503.20
  5. Step 5: Solve for x
    x = 6,398,968,503.20/104,130.72
  6. Step 6: Final answer
    x = 61,451.30

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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.