Home / 122,225.20-183,119.10-75,423.40

Finding the Fourth Proportional to 122,225.20, 183,119.10 and 75,423.40

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Solution

The fourth proportional to 122,225.20, 183,119.10 and 75,423.40 is: 113,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,225.20 : 183,119.10 = 75,423.40 : x
  2. Step 2: Convert to fraction form
    122,225.20/183,119.10 = 75,423.40/x
  3. Step 3: Cross multiply
    122,225.20x = 183,119.10 × 75,423.40
  4. Step 4: Simplify right side
    122,225.20x = 13,811,465,126.94
  5. Step 5: Solve for x
    x = 13,811,465,126.94/122,225.20
  6. Step 6: Final answer
    x = 113,000.14

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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.