Home / 121,748.30-182,637.03-51,618.50

Finding the Fourth Proportional to 121,748.30, 182,637.03 and 51,618.50

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Solution

The fourth proportional to 121,748.30, 182,637.03 and 51,618.50 is: 77,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,748.30 : 182,637.03 = 51,618.50 : x
  2. Step 2: Convert to fraction form
    121,748.30/182,637.03 = 51,618.50/x
  3. Step 3: Cross multiply
    121,748.30x = 182,637.03 × 51,618.50
  4. Step 4: Simplify right side
    121,748.30x = 9,427,449,533.06
  5. Step 5: Solve for x
    x = 9,427,449,533.06/121,748.30
  6. Step 6: Final answer
    x = 77,433.93

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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.