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Finding the Fourth Proportional to 160,836.17, 240,872.87 and 127,448.87

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Solution

The fourth proportional to 160,836.17, 240,872.87 and 127,448.87 is: 190,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,836.17 : 240,872.87 = 127,448.87 : x
  2. Step 2: Convert to fraction form
    160,836.17/240,872.87 = 127,448.87/x
  3. Step 3: Cross multiply
    160,836.17x = 240,872.87 × 127,448.87
  4. Step 4: Simplify right side
    160,836.17x = 30,698,974,209.41
  5. Step 5: Solve for x
    x = 30,698,974,209.41/160,836.17
  6. Step 6: Final answer
    x = 190,871.09

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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.