Home / 121,777.47-182,688.89-42,941.79

Finding the Fourth Proportional to 121,777.47, 182,688.89 and 42,941.79

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Solution

The fourth proportional to 121,777.47, 182,688.89 and 42,941.79 is: 64,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,777.47 : 182,688.89 = 42,941.79 : x
  2. Step 2: Convert to fraction form
    121,777.47/182,688.89 = 42,941.79/x
  3. Step 3: Cross multiply
    121,777.47x = 182,688.89 × 42,941.79
  4. Step 4: Simplify right side
    121,777.47x = 7,844,987,735.00
  5. Step 5: Solve for x
    x = 7,844,987,735.00/121,777.47
  6. Step 6: Final answer
    x = 64,420.68

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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.