Home / 120,783.89-181,182.14-36,541.93

Finding the Fourth Proportional to 120,783.89, 181,182.14 and 36,541.93

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Solution

The fourth proportional to 120,783.89, 181,182.14 and 36,541.93 is: 54,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,783.89 : 181,182.14 = 36,541.93 : x
  2. Step 2: Convert to fraction form
    120,783.89/181,182.14 = 36,541.93/x
  3. Step 3: Cross multiply
    120,783.89x = 181,182.14 × 36,541.93
  4. Step 4: Simplify right side
    120,783.89x = 6,620,745,077.13
  5. Step 5: Solve for x
    x = 6,620,745,077.13/120,783.89
  6. Step 6: Final answer
    x = 54,814.80

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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.