Home / 119,985.60-180,002.70-41,107.80

Finding the Fourth Proportional to 119,985.60, 180,002.70 and 41,107.80

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Solution

The fourth proportional to 119,985.60, 180,002.70 and 41,107.80 is: 61,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,985.60 : 180,002.70 = 41,107.80 : x
  2. Step 2: Convert to fraction form
    119,985.60/180,002.70 = 41,107.80/x
  3. Step 3: Cross multiply
    119,985.60x = 180,002.70 × 41,107.80
  4. Step 4: Simplify right side
    119,985.60x = 7,399,514,991.06
  5. Step 5: Solve for x
    x = 7,399,514,991.06/119,985.60
  6. Step 6: Final answer
    x = 61,670.03

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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.