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Finding the Fourth Proportional to 181,772.54, 250,808.13 and 105,287.07

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Solution

The fourth proportional to 181,772.54, 250,808.13 and 105,287.07 is: 145,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,772.54 : 250,808.13 = 105,287.07 : x
  2. Step 2: Convert to fraction form
    181,772.54/250,808.13 = 105,287.07/x
  3. Step 3: Cross multiply
    181,772.54x = 250,808.13 × 105,287.07
  4. Step 4: Simplify right side
    181,772.54x = 26,406,854,080.41
  5. Step 5: Solve for x
    x = 26,406,854,080.41/181,772.54
  6. Step 6: Final answer
    x = 145,274.17

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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.