Home / 81,465.08-122,216.74-25,302.28

Finding the Fourth Proportional to 81,465.08, 122,216.74 and 25,302.28

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Solution

The fourth proportional to 81,465.08, 122,216.74 and 25,302.28 is: 37,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,465.08 : 122,216.74 = 25,302.28 : x
  2. Step 2: Convert to fraction form
    81,465.08/122,216.74 = 25,302.28/x
  3. Step 3: Cross multiply
    81,465.08x = 122,216.74 × 25,302.28
  4. Step 4: Simplify right side
    81,465.08x = 3,092,362,176.17
  5. Step 5: Solve for x
    x = 3,092,362,176.17/81,465.08
  6. Step 6: Final answer
    x = 37,959.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.