Home / 122,613.81-183,821.46-38,330.58

Finding the Fourth Proportional to 122,613.81, 183,821.46 and 38,330.58

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Solution

The fourth proportional to 122,613.81, 183,821.46 and 38,330.58 is: 57,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,613.81 : 183,821.46 = 38,330.58 : x
  2. Step 2: Convert to fraction form
    122,613.81/183,821.46 = 38,330.58/x
  3. Step 3: Cross multiply
    122,613.81x = 183,821.46 × 38,330.58
  4. Step 4: Simplify right side
    122,613.81x = 7,045,983,178.25
  5. Step 5: Solve for x
    x = 7,045,983,178.25/122,613.81
  6. Step 6: Final answer
    x = 57,464.84

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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.