Home / 120,723.28-181,088.73-57,550.30

Finding the Fourth Proportional to 120,723.28, 181,088.73 and 57,550.30

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Solution

The fourth proportional to 120,723.28, 181,088.73 and 57,550.30 is: 86,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,723.28 : 181,088.73 = 57,550.30 : x
  2. Step 2: Convert to fraction form
    120,723.28/181,088.73 = 57,550.30/x
  3. Step 3: Cross multiply
    120,723.28x = 181,088.73 × 57,550.30
  4. Step 4: Simplify right side
    120,723.28x = 10,421,710,285.40
  5. Step 5: Solve for x
    x = 10,421,710,285.40/120,723.28
  6. Step 6: Final answer
    x = 86,327.26

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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.