Home / 122,434.40-183,651.60-104,938.40

Finding the Fourth Proportional to 122,434.40, 183,651.60 and 104,938.40

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Solution

The fourth proportional to 122,434.40, 183,651.60 and 104,938.40 is: 157,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,434.40 : 183,651.60 = 104,938.40 : x
  2. Step 2: Convert to fraction form
    122,434.40/183,651.60 = 104,938.40/x
  3. Step 3: Cross multiply
    122,434.40x = 183,651.60 × 104,938.40
  4. Step 4: Simplify right side
    122,434.40x = 19,272,105,061.44
  5. Step 5: Solve for x
    x = 19,272,105,061.44/122,434.40
  6. Step 6: Final answer
    x = 157,407.60

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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.