Home / 122,306.20-183,459.30-112,683.40

Finding the Fourth Proportional to 122,306.20, 183,459.30 and 112,683.40

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Solution

The fourth proportional to 122,306.20, 183,459.30 and 112,683.40 is: 169,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,306.20 : 183,459.30 = 112,683.40 : x
  2. Step 2: Convert to fraction form
    122,306.20/183,459.30 = 112,683.40/x
  3. Step 3: Cross multiply
    122,306.20x = 183,459.30 × 112,683.40
  4. Step 4: Simplify right side
    122,306.20x = 20,672,817,685.62
  5. Step 5: Solve for x
    x = 20,672,817,685.62/122,306.20
  6. Step 6: Final answer
    x = 169,025.10

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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.