Home / 181,922.47-272,912.86-76,756.93

Finding the Fourth Proportional to 181,922.47, 272,912.86 and 76,756.93

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Solution

The fourth proportional to 181,922.47, 272,912.86 and 76,756.93 is: 115,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,922.47 : 272,912.86 = 76,756.93 : x
  2. Step 2: Convert to fraction form
    181,922.47/272,912.86 = 76,756.93/x
  3. Step 3: Cross multiply
    181,922.47x = 272,912.86 × 76,756.93
  4. Step 4: Simplify right side
    181,922.47x = 20,947,953,291.12
  5. Step 5: Solve for x
    x = 20,947,953,291.12/181,922.47
  6. Step 6: Final answer
    x = 115,147.70

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1.5x scale

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.