Home / 131,369.86-181,266.69-74,000.26

Finding the Fourth Proportional to 131,369.86, 181,266.69 and 74,000.26

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Solution

The fourth proportional to 131,369.86, 181,266.69 and 74,000.26 is: 102,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,369.86 : 181,266.69 = 74,000.26 : x
  2. Step 2: Convert to fraction form
    131,369.86/181,266.69 = 74,000.26/x
  3. Step 3: Cross multiply
    131,369.86x = 181,266.69 × 74,000.26
  4. Step 4: Simplify right side
    131,369.86x = 13,413,782,189.34
  5. Step 5: Solve for x
    x = 13,413,782,189.34/131,369.86
  6. Step 6: Final answer
    x = 102,107.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.