Home / 122,623.60-183,892.20-43,740.40

Finding the Fourth Proportional to 122,623.60, 183,892.20 and 43,740.40

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Solution

The fourth proportional to 122,623.60, 183,892.20 and 43,740.40 is: 65,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,623.60 : 183,892.20 = 43,740.40 : x
  2. Step 2: Convert to fraction form
    122,623.60/183,892.20 = 43,740.40/x
  3. Step 3: Cross multiply
    122,623.60x = 183,892.20 × 43,740.40
  4. Step 4: Simplify right side
    122,623.60x = 8,043,518,384.88
  5. Step 5: Solve for x
    x = 8,043,518,384.88/122,623.60
  6. Step 6: Final answer
    x = 65,595.19

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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.