Home / 81,461.07-122,210.73-25,298.28

Finding the Fourth Proportional to 81,461.07, 122,210.73 and 25,298.28

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Solution

The fourth proportional to 81,461.07, 122,210.73 and 25,298.28 is: 37,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,461.07 : 122,210.73 = 25,298.28 : x
  2. Step 2: Convert to fraction form
    81,461.07/122,210.73 = 25,298.28/x
  3. Step 3: Cross multiply
    81,461.07x = 122,210.73 × 25,298.28
  4. Step 4: Simplify right side
    81,461.07x = 3,091,721,266.54
  5. Step 5: Solve for x
    x = 3,091,721,266.54/81,461.07
  6. Step 6: Final answer
    x = 37,953.36

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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.