Home / 125,712.46-173,493.04-72,014.77

Finding the Fourth Proportional to 125,712.46, 173,493.04 and 72,014.77

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Solution

The fourth proportional to 125,712.46, 173,493.04 and 72,014.77 is: 99,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,712.46 : 173,493.04 = 72,014.77 : x
  2. Step 2: Convert to fraction form
    125,712.46/173,493.04 = 72,014.77/x
  3. Step 3: Cross multiply
    125,712.46x = 173,493.04 × 72,014.77
  4. Step 4: Simplify right side
    125,712.46x = 12,494,061,544.06
  5. Step 5: Solve for x
    x = 12,494,061,544.06/125,712.46
  6. Step 6: Final answer
    x = 99,386.03

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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.