Home / 131,726.48-181,778.51-74,367.95

Finding the Fourth Proportional to 131,726.48, 181,778.51 and 74,367.95

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Solution

The fourth proportional to 131,726.48, 181,778.51 and 74,367.95 is: 102,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,726.48 : 181,778.51 = 74,367.95 : x
  2. Step 2: Convert to fraction form
    131,726.48/181,778.51 = 74,367.95/x
  3. Step 3: Cross multiply
    131,726.48x = 181,778.51 × 74,367.95
  4. Step 4: Simplify right side
    131,726.48x = 13,518,494,419.78
  5. Step 5: Solve for x
    x = 13,518,494,419.78/131,726.48
  6. Step 6: Final answer
    x = 102,625.49

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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.