Home / 122,487.63-183,757.67-42,528.09

Finding the Fourth Proportional to 122,487.63, 183,757.67 and 42,528.09

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Solution

The fourth proportional to 122,487.63, 183,757.67 and 42,528.09 is: 63,801.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,487.63 : 183,757.67 = 42,528.09 : x
  2. Step 2: Convert to fraction form
    122,487.63/183,757.67 = 42,528.09/x
  3. Step 3: Cross multiply
    122,487.63x = 183,757.67 × 42,528.09
  4. Step 4: Simplify right side
    122,487.63x = 7,814,862,727.95
  5. Step 5: Solve for x
    x = 7,814,862,727.95/122,487.63
  6. Step 6: Final answer
    x = 63,801.24

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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.