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Finding the Fourth Proportional to 160,424.96, 240,874 and 89,486.20

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Solution

The fourth proportional to 160,424.96, 240,874 and 89,486.20 is: 134,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,424.96 : 240,874 = 89,486.20 : x
  2. Step 2: Convert to fraction form
    160,424.96/240,874 = 89,486.20/x
  3. Step 3: Cross multiply
    160,424.96x = 240,874 × 89,486.20
  4. Step 4: Simplify right side
    160,424.96x = 21,554,898,938.80
  5. Step 5: Solve for x
    x = 21,554,898,938.80/160,424.96
  6. Step 6: Final answer
    x = 134,361.25

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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.