Home / 119,259.75-178,897.90-40,347.30

Finding the Fourth Proportional to 119,259.75, 178,897.90 and 40,347.30

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Solution

The fourth proportional to 119,259.75, 178,897.90 and 40,347.30 is: 60,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,259.75 : 178,897.90 = 40,347.30 : x
  2. Step 2: Convert to fraction form
    119,259.75/178,897.90 = 40,347.30/x
  3. Step 3: Cross multiply
    119,259.75x = 178,897.90 × 40,347.30
  4. Step 4: Simplify right side
    119,259.75x = 7,218,047,240.67
  5. Step 5: Solve for x
    x = 7,218,047,240.67/119,259.75
  6. Step 6: Final answer
    x = 60,523.75

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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.