Home / 122,315.40-183,476.94-43,428.36

Finding the Fourth Proportional to 122,315.40, 183,476.94 and 43,428.36

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Solution

The fourth proportional to 122,315.40, 183,476.94 and 43,428.36 is: 65,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,315.40 : 183,476.94 = 43,428.36 : x
  2. Step 2: Convert to fraction form
    122,315.40/183,476.94 = 43,428.36/x
  3. Step 3: Cross multiply
    122,315.40x = 183,476.94 × 43,428.36
  4. Step 4: Simplify right side
    122,315.40x = 7,968,102,602.02
  5. Step 5: Solve for x
    x = 7,968,102,602.02/122,315.40
  6. Step 6: Final answer
    x = 65,143.90

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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.