Home / 125,648.89-173,396.80-68,288.21

Finding the Fourth Proportional to 125,648.89, 173,396.80 and 68,288.21

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Solution

The fourth proportional to 125,648.89, 173,396.80 and 68,288.21 is: 94,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,648.89 : 173,396.80 = 68,288.21 : x
  2. Step 2: Convert to fraction form
    125,648.89/173,396.80 = 68,288.21/x
  3. Step 3: Cross multiply
    125,648.89x = 173,396.80 × 68,288.21
  4. Step 4: Simplify right side
    125,648.89x = 11,840,956,224.74
  5. Step 5: Solve for x
    x = 11,840,956,224.74/125,648.89
  6. Step 6: Final answer
    x = 94,238.45

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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.