Home / 102,865.02-154,297.58-67,549.42

Finding the Fourth Proportional to 102,865.02, 154,297.58 and 67,549.42

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Solution

The fourth proportional to 102,865.02, 154,297.58 and 67,549.42 is: 101,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,865.02 : 154,297.58 = 67,549.42 : x
  2. Step 2: Convert to fraction form
    102,865.02/154,297.58 = 67,549.42/x
  3. Step 3: Cross multiply
    102,865.02x = 154,297.58 × 67,549.42
  4. Step 4: Simplify right side
    102,865.02x = 10,422,712,036.40
  5. Step 5: Solve for x
    x = 10,422,712,036.40/102,865.02
  6. Step 6: Final answer
    x = 101,324.16

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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.