Home / 131,348.61-181,262.48-74,760.39

Finding the Fourth Proportional to 131,348.61, 181,262.48 and 74,760.39

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Solution

The fourth proportional to 131,348.61, 181,262.48 and 74,760.39 is: 103,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,348.61 : 181,262.48 = 74,760.39 : x
  2. Step 2: Convert to fraction form
    131,348.61/181,262.48 = 74,760.39/x
  3. Step 3: Cross multiply
    131,348.61x = 181,262.48 × 74,760.39
  4. Step 4: Simplify right side
    131,348.61x = 13,551,253,323.37
  5. Step 5: Solve for x
    x = 13,551,253,323.37/131,348.61
  6. Step 6: Final answer
    x = 103,170.13

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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.