Home / 281,740.02-422,746.74-123,948

Finding the Fourth Proportional to 281,740.02, 422,746.74 and 123,948

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Solution

The fourth proportional to 281,740.02, 422,746.74 and 123,948 is: 185,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,740.02 : 422,746.74 = 123,948 : x
  2. Step 2: Convert to fraction form
    281,740.02/422,746.74 = 123,948/x
  3. Step 3: Cross multiply
    281,740.02x = 422,746.74 × 123,948
  4. Step 4: Simplify right side
    281,740.02x = 52,398,612,929.52
  5. Step 5: Solve for x
    x = 52,398,612,929.52/281,740.02
  6. Step 6: Final answer
    x = 185,982.14

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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.