Home / 125,960.81-173,769.71-85,111.74

Finding the Fourth Proportional to 125,960.81, 173,769.71 and 85,111.74

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Solution

The fourth proportional to 125,960.81, 173,769.71 and 85,111.74 is: 117,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,960.81 : 173,769.71 = 85,111.74 : x
  2. Step 2: Convert to fraction form
    125,960.81/173,769.71 = 85,111.74/x
  3. Step 3: Cross multiply
    125,960.81x = 173,769.71 × 85,111.74
  4. Step 4: Simplify right side
    125,960.81x = 14,789,841,951.84
  5. Step 5: Solve for x
    x = 14,789,841,951.84/125,960.81
  6. Step 6: Final answer
    x = 117,416.22

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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.