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Finding the Fourth Proportional to 181,713.51, 250,760.48 and 101,139.30

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Solution

The fourth proportional to 181,713.51, 250,760.48 and 101,139.30 is: 139,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,713.51 : 250,760.48 = 101,139.30 : x
  2. Step 2: Convert to fraction form
    181,713.51/250,760.48 = 101,139.30/x
  3. Step 3: Cross multiply
    181,713.51x = 250,760.48 × 101,139.30
  4. Step 4: Simplify right side
    181,713.51x = 25,361,738,909.17
  5. Step 5: Solve for x
    x = 25,361,738,909.17/181,713.51
  6. Step 6: Final answer
    x = 139,569.91

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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.