Home / 153,890.70-230,836.05-54,066.30

Finding the Fourth Proportional to 153,890.70, 230,836.05 and 54,066.30

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Solution

The fourth proportional to 153,890.70, 230,836.05 and 54,066.30 is: 81,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,890.70 : 230,836.05 = 54,066.30 : x
  2. Step 2: Convert to fraction form
    153,890.70/230,836.05 = 54,066.30/x
  3. Step 3: Cross multiply
    153,890.70x = 230,836.05 × 54,066.30
  4. Step 4: Simplify right side
    153,890.70x = 12,480,451,130.12
  5. Step 5: Solve for x
    x = 12,480,451,130.12/153,890.70
  6. Step 6: Final answer
    x = 81,099.45

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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.