Home / 181,943.10-272,817.45-76,643.10

Finding the Fourth Proportional to 181,943.10, 272,817.45 and 76,643.10

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Solution

The fourth proportional to 181,943.10, 272,817.45 and 76,643.10 is: 114,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,943.10 : 272,817.45 = 76,643.10 : x
  2. Step 2: Convert to fraction form
    181,943.10/272,817.45 = 76,643.10/x
  3. Step 3: Cross multiply
    181,943.10x = 272,817.45 × 76,643.10
  4. Step 4: Simplify right side
    181,943.10x = 20,909,575,102.10
  5. Step 5: Solve for x
    x = 20,909,575,102.10/181,943.10
  6. Step 6: Final answer
    x = 114,923.70

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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.