Home / 122,423.70-183,635.55-112,314.90

Finding the Fourth Proportional to 122,423.70, 183,635.55 and 112,314.90

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Solution

The fourth proportional to 122,423.70, 183,635.55 and 112,314.90 is: 168,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,423.70 : 183,635.55 = 112,314.90 : x
  2. Step 2: Convert to fraction form
    122,423.70/183,635.55 = 112,314.90/x
  3. Step 3: Cross multiply
    122,423.70x = 183,635.55 × 112,314.90
  4. Step 4: Simplify right side
    122,423.70x = 20,625,008,434.70
  5. Step 5: Solve for x
    x = 20,625,008,434.70/122,423.70
  6. Step 6: Final answer
    x = 168,472.35

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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.