Home / 122,340.30-183,466.38-42,356.55

Finding the Fourth Proportional to 122,340.30, 183,466.38 and 42,356.55

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Solution

The fourth proportional to 122,340.30, 183,466.38 and 42,356.55 is: 63,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,340.30 : 183,466.38 = 42,356.55 : x
  2. Step 2: Convert to fraction form
    122,340.30/183,466.38 = 42,356.55/x
  3. Step 3: Cross multiply
    122,340.30x = 183,466.38 × 42,356.55
  4. Step 4: Simplify right side
    122,340.30x = 7,771,002,897.79
  5. Step 5: Solve for x
    x = 7,771,002,897.79/122,340.30
  6. Step 6: Final answer
    x = 63,519.57

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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.