Home / 72,519.31-100,084.98-70,194.25

Finding the Fourth Proportional to 72,519.31, 100,084.98 and 70,194.25

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Solution

The fourth proportional to 72,519.31, 100,084.98 and 70,194.25 is: 96,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,519.31 : 100,084.98 = 70,194.25 : x
  2. Step 2: Convert to fraction form
    72,519.31/100,084.98 = 70,194.25/x
  3. Step 3: Cross multiply
    72,519.31x = 100,084.98 × 70,194.25
  4. Step 4: Simplify right side
    72,519.31x = 7,025,390,107.37
  5. Step 5: Solve for x
    x = 7,025,390,107.37/72,519.31
  6. Step 6: Final answer
    x = 96,876.13

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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.