Home / 125,839.37-173,619.23-71,382.57

Finding the Fourth Proportional to 125,839.37, 173,619.23 and 71,382.57

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Solution

The fourth proportional to 125,839.37, 173,619.23 and 71,382.57 is: 98,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,839.37 : 173,619.23 = 71,382.57 : x
  2. Step 2: Convert to fraction form
    125,839.37/173,619.23 = 71,382.57/x
  3. Step 3: Cross multiply
    125,839.37x = 173,619.23 × 71,382.57
  4. Step 4: Simplify right side
    125,839.37x = 12,393,386,838.82
  5. Step 5: Solve for x
    x = 12,393,386,838.82/125,839.37
  6. Step 6: Final answer
    x = 98,485.77

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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.