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Finding the Fourth Proportional to 181,720.73, 250,774.58 and 101,146.51

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Solution

The fourth proportional to 181,720.73, 250,774.58 and 101,146.51 is: 139,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,720.73 : 250,774.58 = 101,146.51 : x
  2. Step 2: Convert to fraction form
    181,720.73/250,774.58 = 101,146.51/x
  3. Step 3: Cross multiply
    181,720.73x = 250,774.58 × 101,146.51
  4. Step 4: Simplify right side
    181,720.73x = 25,364,973,563.72
  5. Step 5: Solve for x
    x = 25,364,973,563.72/181,720.73
  6. Step 6: Final answer
    x = 139,582.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.