Home / 125,112.57-172,655.34-68,525.16

Finding the Fourth Proportional to 125,112.57, 172,655.34 and 68,525.16

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Solution

The fourth proportional to 125,112.57, 172,655.34 and 68,525.16 is: 94,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,112.57 : 172,655.34 = 68,525.16 : x
  2. Step 2: Convert to fraction form
    125,112.57/172,655.34 = 68,525.16/x
  3. Step 3: Cross multiply
    125,112.57x = 172,655.34 × 68,525.16
  4. Step 4: Simplify right side
    125,112.57x = 11,831,234,798.35
  5. Step 5: Solve for x
    x = 11,831,234,798.35/125,112.57
  6. Step 6: Final answer
    x = 94,564.72

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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.