Home / 122,526.20-183,789.30-52,412.60

Finding the Fourth Proportional to 122,526.20, 183,789.30 and 52,412.60

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Solution

The fourth proportional to 122,526.20, 183,789.30 and 52,412.60 is: 78,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,526.20 : 183,789.30 = 52,412.60 : x
  2. Step 2: Convert to fraction form
    122,526.20/183,789.30 = 52,412.60/x
  3. Step 3: Cross multiply
    122,526.20x = 183,789.30 × 52,412.60
  4. Step 4: Simplify right side
    122,526.20x = 9,632,875,065.18
  5. Step 5: Solve for x
    x = 9,632,875,065.18/122,526.20
  6. Step 6: Final answer
    x = 78,618.90

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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.