Home / 125,812.18-173,625.59-72,107.56

Finding the Fourth Proportional to 125,812.18, 173,625.59 and 72,107.56

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Solution

The fourth proportional to 125,812.18, 173,625.59 and 72,107.56 is: 99,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,812.18 : 173,625.59 = 72,107.56 : x
  2. Step 2: Convert to fraction form
    125,812.18/173,625.59 = 72,107.56/x
  3. Step 3: Cross multiply
    125,812.18x = 173,625.59 × 72,107.56
  4. Step 4: Simplify right side
    125,812.18x = 12,519,717,775.36
  5. Step 5: Solve for x
    x = 12,519,717,775.36/125,812.18
  6. Step 6: Final answer
    x = 99,511.17

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1.5x scale

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.