Home / 121,489.04-182,301.60-51,420.80

Finding the Fourth Proportional to 121,489.04, 182,301.60 and 51,420.80

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Solution

The fourth proportional to 121,489.04, 182,301.60 and 51,420.80 is: 77,160.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,489.04 : 182,301.60 = 51,420.80 : x
  2. Step 2: Convert to fraction form
    121,489.04/182,301.60 = 51,420.80/x
  3. Step 3: Cross multiply
    121,489.04x = 182,301.60 × 51,420.80
  4. Step 4: Simplify right side
    121,489.04x = 9,374,094,113.28
  5. Step 5: Solve for x
    x = 9,374,094,113.28/121,489.04
  6. Step 6: Final answer
    x = 77,160.00

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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.