Home / 122,330.21-183,451.29-42,346.45

Finding the Fourth Proportional to 122,330.21, 183,451.29 and 42,346.45

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Solution

The fourth proportional to 122,330.21, 183,451.29 and 42,346.45 is: 63,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,330.21 : 183,451.29 = 42,346.45 : x
  2. Step 2: Convert to fraction form
    122,330.21/183,451.29 = 42,346.45/x
  3. Step 3: Cross multiply
    122,330.21x = 183,451.29 × 42,346.45
  4. Step 4: Simplify right side
    122,330.21x = 7,768,510,879.42
  5. Step 5: Solve for x
    x = 7,768,510,879.42/122,330.21
  6. Step 6: Final answer
    x = 63,504.44

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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.