Home / 125,824.74-173,638.73-72,112.93

Finding the Fourth Proportional to 125,824.74, 173,638.73 and 72,112.93

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Solution

The fourth proportional to 125,824.74, 173,638.73 and 72,112.93 is: 99,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,824.74 : 173,638.73 = 72,112.93 : x
  2. Step 2: Convert to fraction form
    125,824.74/173,638.73 = 72,112.93/x
  3. Step 3: Cross multiply
    125,824.74x = 173,638.73 × 72,112.93
  4. Step 4: Simplify right side
    125,824.74x = 12,521,597,581.78
  5. Step 5: Solve for x
    x = 12,521,597,581.78/125,824.74
  6. Step 6: Final answer
    x = 99,516.18

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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.