Home / 144,855.20-217,304.40-51,353.60

Finding the Fourth Proportional to 144,855.20, 217,304.40 and 51,353.60

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Solution

The fourth proportional to 144,855.20, 217,304.40 and 51,353.60 is: 77,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,855.20 : 217,304.40 = 51,353.60 : x
  2. Step 2: Convert to fraction form
    144,855.20/217,304.40 = 51,353.60/x
  3. Step 3: Cross multiply
    144,855.20x = 217,304.40 × 51,353.60
  4. Step 4: Simplify right side
    144,855.20x = 11,159,363,235.84
  5. Step 5: Solve for x
    x = 11,159,363,235.84/144,855.20
  6. Step 6: Final answer
    x = 77,038.06

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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.