Home / 181,693.64-272,572.32-75,077.12

Finding the Fourth Proportional to 181,693.64, 272,572.32 and 75,077.12

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Solution

The fourth proportional to 181,693.64, 272,572.32 and 75,077.12 is: 112,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,693.64 : 272,572.32 = 75,077.12 : x
  2. Step 2: Convert to fraction form
    181,693.64/272,572.32 = 75,077.12/x
  3. Step 3: Cross multiply
    181,693.64x = 272,572.32 × 75,077.12
  4. Step 4: Simplify right side
    181,693.64x = 20,463,944,777.32
  5. Step 5: Solve for x
    x = 20,463,944,777.32/181,693.64
  6. Step 6: Final answer
    x = 112,628.84

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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.