Home / 125,127.50-172,676.04-68,539.10

Finding the Fourth Proportional to 125,127.50, 172,676.04 and 68,539.10

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Solution

The fourth proportional to 125,127.50, 172,676.04 and 68,539.10 is: 94,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,127.50 : 172,676.04 = 68,539.10 : x
  2. Step 2: Convert to fraction form
    125,127.50/172,676.04 = 68,539.10/x
  3. Step 3: Cross multiply
    125,127.50x = 172,676.04 × 68,539.10
  4. Step 4: Simplify right side
    125,127.50x = 11,835,060,373.16
  5. Step 5: Solve for x
    x = 11,835,060,373.16/125,127.50
  6. Step 6: Final answer
    x = 94,584.01

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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.