Home / 125,112.57-172,655.35-68,523.94

Finding the Fourth Proportional to 125,112.57, 172,655.35 and 68,523.94

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Solution

The fourth proportional to 125,112.57, 172,655.35 and 68,523.94 is: 94,563.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,112.57 : 172,655.35 = 68,523.94 : x
  2. Step 2: Convert to fraction form
    125,112.57/172,655.35 = 68,523.94/x
  3. Step 3: Cross multiply
    125,112.57x = 172,655.35 × 68,523.94
  4. Step 4: Simplify right side
    125,112.57x = 11,831,024,888.59
  5. Step 5: Solve for x
    x = 11,831,024,888.59/125,112.57
  6. Step 6: Final answer
    x = 94,563.04

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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.