Home / 131,612.72-181,625.58-74,264.21

Finding the Fourth Proportional to 131,612.72, 181,625.58 and 74,264.21

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Solution

The fourth proportional to 131,612.72, 181,625.58 and 74,264.21 is: 102,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,612.72 : 181,625.58 = 74,264.21 : x
  2. Step 2: Convert to fraction form
    131,612.72/181,625.58 = 74,264.21/x
  3. Step 3: Cross multiply
    131,612.72x = 181,625.58 × 74,264.21
  4. Step 4: Simplify right side
    131,612.72x = 13,488,281,217.97
  5. Step 5: Solve for x
    x = 13,488,281,217.97/131,612.72
  6. Step 6: Final answer
    x = 102,484.63

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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.